二年级下册数学试题 口算及竖式计算练习题
来源：动视网
责编：小OO
时间：2025-09-24 14:52:59
二年级下册数学试题 口算及竖式计算练习题
13+44=11+68=11+2=20+76=2×4=16+69=11+3=4×9=13+46=11+78=11+1=20+78=2×6=11+88=11+25=86+5=11+9=11+78=8×4=15+90=2×8=13+49=11+27=6×6=11+11=4×7=11+28=21+62=18+72=13+51=5×6=6×8=11+18=4×8=18+76=5×2=3×2=14+57=3×4=20+69=35+（42-29）=77–29+26=58+21–39=31+（46–27）=
导读13+44=11+68=11+2=20+76=2×4=16+69=11+3=4×9=13+46=11+78=11+1=20+78=2×6=11+88=11+25=86+5=11+9=11+78=8×4=15+90=2×8=13+49=11+27=6×6=11+11=4×7=11+28=21+62=18+72=13+51=5×6=6×8=11+18=4×8=18+76=5×2=3×2=14+57=3×4=20+69=35+（42-29）=77–29+26=58+21–39=31+（46–27）=
| 13+44= | 11+68= | 11+2= | 20+76= |
| 2×4= | 16+69= | 11+3= | 4×9= |
| 13+46= | 11+78= | 11+1= | 20+78= |
| 2×6= | 11+88= | 11+25= | 86+5= |
| 11+9= | 11+78= | 8×4= | 15+90= |
| 2×8= | 13+49= | 11+27= | 6×6= |
| 11+11= | 4×7= | 11+28= | 21+62= |
| 18+72= | 13+51= | 5×6= | 6×8= |
| 11+18= | 4×8= | 18+76= | 5×2= |
| 3×2= | 14+57= | 3×4= | 20+69= |
| 35 + （42 - 29 ）= | 77 – 29 + 26 = | 58 + 21 – 39 = |
| | |
| 31 + （46 – 27） = | 88 – 67 – 11 = | 45 + 36 – 65 = |
| 6×5 = | 8×5 = | 53+46= | 36+38= |
| 7×8 = | 9×5 = | 76-43= | 26+48= |
| 1×8 = | 8×7 = | 87-56= | 76+16= |
| 2×9 = | 7×5 = | 27+53= | 75-46= |
| 2×5 = | 7×2 = | 56-26= | 59+23= |
| 4×5 = | 3×4 = | 52+17= | 58+14= |
| 8×2 = | 2×4 = | 38+56= | 24+37= |
| 8×4 = | 6×9 = | 57+15= | 45+36= |
| 7×6 = | 3×1 = | 49+16= | 55+26= |
| 3×2 = | 4×3 = | 25+56= | 73-29= |
| 71-52+36= | 81-45+36= | 63-（23+28）= |
| 51-27+28= | 77-（19-16）= | 35+12-28= |
| 18+78= | 23+24= | 11+32= | 22+48= |
| 19+79= | 11+13= | 2×7= | 7×2= |
| 19+80= | 11+14= | 11+69= | 18+77= |
| 11+16= | 11+15= | 2×9= | 11+26= |
| 11+17= | 23+28= | 3×1= | 7×5= |
| 8×9= | 9×2+4= | 12+35= | 21+35= |
| 9×9= | 6×3+3= | 3×3= | 7×8= |
| 6+91= | 3×9-6= | 20+77= | 13+48= |
| 9×7= | 2×8-5= | 3×5= | 8×1= |
| 9×5= | 7×7-6= | 23+29= | 11+10= |
| 25 + 26 – 35 = | 36 – 25 + 21 = | 25 +（ 37 - 29 ）= |
| 27 + 59 + 26 = | 68 + 23 – 39 = | 87 – （21 + 16） = |
| 14+56= | 77-2×2= | 3×6= | 8×3= |
| 3×5+1= | 70-5×2= | 16+67= | 16+68= |
| 11+12= | 5×4+4= | 3×9= | 8×5= |
| 3×5+3= | 4+9×9= | 4×1= | 15+63= |
| 3×6+11= | 30+5×7= | 4×2 | 8×7= |
| 3×6+12= | 65-2×3= | 10+19= | 11+69= |
| 5×6+19= | 33+2×7= | 15-11= | 12+13= |
| 7×7+8= | 17+2×6= | 13+29= | 35-3= |
| 7×9+20= | 3×9+6= | 28+12= | 12+57= |
| 3×8+9= | 4×3+15= | 10+70= | 69+11= |
| 26 +( 75 - 36) = | 35 + 16 – 25 = | 33 + 26 – 27 = |
| 58 –( 17 – 10) = | 35 + 36 – 55 = | 96 – 45 + 22 = |
| 4×6+5= | 8×8+17= | 67+12= | 41+14= |
| 3×7+9= | 7×7-13= | 35+11= | 25+11= |
| 2×9+6= | 36-2×5= | 13+33= | 55-41= |
| 5×7+11= | 7+4×8= | 29+12= | 10+80= |
| 3×7+31= | 35-2×8= | 12+47= | 13+58= |
| 14+24= | 63+10= | 87-53= | 32+11= |
| 13+49= | 37-6= | 10+39= | 12+29= |
| 21+13= | 11+36= | 14+16= | 63+14= |
| 10+27= | 12+65= | 37+11= | 78-18= |
| 76+10= | 43+13= | 72+10= | 71+9= |
| 62-(15+28)= | 77-34+55= | 43-29+13= |
| 68-(65+3)= | 63+18-11= | 35-28+28= |
| 19+10= | 11+28= | 35-16= | 82+10= |
| 37-19= | 34+13= | 12+73= | 11+79= |
| 37+11= | 78-18= | 71+11= | 88+12= |
| 72+10= | 71+9= | 38-12= | 10+49= |
| 78-5= | 48-6= | 63+12= | 62+13= |
| 65+13= | 13+72= | 47+10= | 10+38= |
| 60+11= | 11+87= | 38-24= | 13+67= |
| 76-23= | 56-14= | 11+56= | 86-12= |
| 55+10= | 10+59= | 87-29= | 10+69= |
| 96-36= | 68-27= | 26+13= | 86-51= |
| 75 + 12 - 29 = | 87 – (29 + 16 )= | 78 + 11 – 39 = |
| 76 + 25 - 46 = | 99 – (25 +36) = | 85 + 17 – 25 = |
| 11+49= | 68+10= | 78+11= | 70+9= |
| 11+12+23= | 76-2-19= | 73+23-20= | 16-2+4= |
| 70-10-2= | 65+15-0= | 90-4-2= | 44+5-2= |
| 37-6-4= | 44+3-10= | 90-2+3= | 6+36-8= |
| 32+13+1= | 11+29+4= | 77-20+5= | 3+15+5= |
| 96-11+3= | 76+20-16= | 80-30-21= | 13+2-9= |
| 80-22-28= | 32+30+12= | 50+4-10= | 9+17-7= |
| 27+8-10= | 46-11+4= | 19+2+15= | 60-1-4= |
| 43+16+6= | 40-10-3= | 7+12-7= | 36+5-4= |
| 45+21-3= | 77-10+12= | 77-50-2= | 40-1-20= |
| 54-52+17= | 88-(51-24)= | 76-63+19= |
| 83-27+10= | 54-(21+18)= | 65-33-18= |
| 65-11-3= | 49-40-5= | 9+19-1= | 3+27+2= |
| 17+19-18= | 50+50-0= | 1+12+7= | 60-9-5= |
| 43+2+1= | 39+21+5= | 2+25-10= | 3-1+79= |
| 90-26-24= | 47+12-5= | 40-30-1= | 10-3-1= |
| 45-6-34= | 78-18-0= | 2+33+30= | 19+2-10= |
| 24+5-6= | 11+6-13= | 60-5-13= | 2+55-40= |
| 70-18-12= | 34+4-13= | 90-10-2= | 3+27+3= |
| 36+5-2= | 51+13+14= | 90-7+5= | 10-1+50= |
| 50-2-3= | 73+3-20= | 5-0+40= | 78-12-18= |
| 42-2+19= | 69-18+10= | 2+30+55= | 3-2+= |
| 13+58= | 51-42+53= | 75+24-23= |
| 85-(36+27)= | 12+(79-62)= | 51-27+28= |
| 73+20+4= | 52+17= | 4+33-6= | 41+3+16= |
| 47+53= | 38+56= | 6×5 = | 54-6×5 = |
| 52+39= | 57+15= | 7×5 = | 87-7×5 = |
| 60-46= | 49+16= | 1×8 = | 45-1×8 = |
| 15+19= | 25+56= | 2×9 = | 34-2×9 = |
| 74+18= | 29+66= | 2×5 = | 15-2×5 = |
| 53+46= | 36+56= | 8×5 = | 32+8×5 = |
| 76-43= | 63-59= | 9×5 = | 42+9×5 = |
| 87-56= | 85-36= | 8×7 = | 32-8×1 = |
| 27+53= | -25= | 7×5 = | 73-7×5 = |
| 56-26= | 53-29+19= | 35+(41-28)= |
| 88-26= | 62-18+24= | 86-(12+15)= |
| 76+24= | 71-8×6 = | 38+56= | 2×4 = |
| 34+62= | 66-6×7 = | 57+15= | 6×9 = |
| 67-38= | 44-1×4 = | 49+16= | 3×1 = |
| 55-16= | 61-8×6 = | 25+56= | 4×3 = |
| 35+19= | 36-3×3 = | 29+66= | 6×5 = |
| 36+38= | 63-6×5 = | 36+56= | 7×6 = |
| 26+48= | 81-4×6 = | 63-59= | 6×9 = |
| 76+16= | 51-7×3 = | 85-36= | 6×5 = |
| 75-46= | 92-9×7 = | -25= | 4×4 = |
| 59+23= | 98-2×6 = | 29+39= | 9×7 = |
| 13+58= | 51-42+53= | 75+24-23= |
| 85-(36+27)= | 12+(79-62)= | 51-28= |
| 63-2×4 = | 24+37= | 23-7×1 = | 33+53= |
| 42+6×9 = | 45+36= | 17-5×3 = | 46+3= |
| 76-3×1 = | 55+26= | 63-9×6 = | 69+19= |
| 92-4×3 = | 73-29= | 34-9×3 = | 9×1 = |
| 6+6×5 = | -16= | 54-5×6 = | 9×3 = |
| 77-7×6 = | 56+26= | 48-8×2 = | 6×3 = |
| 67-6×9 = | 36+45= | 21-5×1 = | 82-9×1 = |
| 20-6×5 = | 32+49= | 44-7×5 = | 18-9×2= |
| 5+4×4 = | 98-53= | -6×8 = | 69-1×3 = |
| 82-9×1 = | 31+38= | 41-3×3 = | 83-9×3 = |
| 65-47= | 77-34+55= | 43-29+13= |
| 68-(15+18)= | 63+(18-9)= | 35+28= |
| 13+44= | 16+= | 11+68= | 11+9= |
| 2×4= | 16+65= | 16+69= | 18+13= |
| 13+46= | 16+66= | 11+78= | 21-14= |
| 2×6= | 31+21= | 11+= | 57+25= |
| 11+9= | 11+22= | 11+78= | 8×4= |
| 2×8= | 4×3= | 13+49= | 11+27= |
| 11+11= | 16+70= | 4×7= | 11+28= |
| 4×5= | 17+71= | 13+51= | 5×6= |
| 23+25= | 17+72= | 14+52= | 11+30= |
| 3×7= | 11+31= | 7×9= | 17+63= |
| 51-42+53= | 77-(65-6)= | 75-(36+15)= |
| 75-24-26= | 77+24= | 45-38= |
| 23+27= | 5×8= | 5×5= | 17+74= |
| 9+81= | 11+33= | 14+55= | 17+75= |
| 18+72= | 12+34= | 4×8= | 18+76= |
| 11+18= | 8×2= | 18+57= | 3×4= |
| 3×2= | 15+36= | 14+58= | 18+78= |
| 11+20= | 24+37= | 17+59= | 19+79= |
| 7×1= | 9×3= | 15+60= | 19+80= |
| 6×2= | 12+39= | 2×2= | 11+16= |
| 20+69= | 18+13= | 7×3= | 21+62= |
| 23+24= | 54+14= | 7×6= | 6×8= |
| 24-16+40= | 63-(12+42)= | 53-37= |
| 26+18= | 72-54+12= | 65-(39-15)= |
| 11+23= | 3×8= | 15+62= | 11+17= |
| 2×1= | 14+54= | 6×5= | 8×9= |
| 13+47= | 4×4= | 21+53= | 9×9= |
| 2×3= | 28+26= | 6×7= | 6+91= |
| 12+40= | 4×6= | 22+66= | 9×7= |
| 2×5= | 13+59= | 6×9= | 9×5= |
| 11+32= | 15+66= | 22+48= | 14+56= |
| 2×7= | 11+19= | 7×2= | 3×5+1= |
| 11+69= | 5×1= | 18+77= | 11+12= |
| 2×9= | 13+45= | 11+26= | 3×5+3= |
| 71-52+36= | 81-(35+26)= | 63-(23+28)= |
| 27+28= | 77-19-16= | 35-28= |
| 3×1= | 5×3= | 7×5= | 3×6+11= |
| 12+35= | 5×4= | 21+35= | 3×6+12= |
| 3×3= | 14+53= | 7×8= | 5×6+19= |
| 20+77= | 11+29= | 13+48= | 7×7+8= |
| 3×5= | 5×7= | 8×1= | 7×9+20= |
| 23+29= | 20+39= | 11+10= | 3×8+9= |
| 3×6= | 5×9= | 8×3= | 4×6+5= |
| 16+67= | 6×1= | 16+68= | 3×7+9= |
| 3×9= | 11+24= | 8×5= | 2×9+6= |
| 4×1= | 6×3= | 15+63= | 5×7+11= |
| 54+21+18= | 53-29+19= | 35-28= |
| 63-(43-28)= | 62-(18+26)= | 65+15= |
| 4×2 | 6×4= | 8×7= | 3×7+31= |
| 10+19= | 12+38= | 45+29= | 14+24= |
| 15-11= | 12+82= | 12+39= | 13+49= |
| 13+29= | 14+37= | 35-3= | 21+13= |
| 28+12= | 10+29= | 12+57= | 10+27= |
| 10+70= | 45-27= | 69+11= | 76+10= |
| 67+12= | 11+19= | 12+47= | 41+14= |
| 36+17= | 56+12= | 87-53= | 25+11= |
| 13+33= | 77-40= | 11+39= | 55-41= |
| 29+12= | 13+19= | 17+16= | 10+80= |
| 57-33+31= | 36-27+59= | 72-(19+16)= |
| 36+27= | 12+(71-62)= | 51-27= |
| 19+10= | 26+14= | 13+28= | 35-16= |
| 37-19= | 69+13= | 34+18= | 18+73= |
| 37+14= | 49+12= | 78-18= | 45+19= |
| 72+10= | 67-12= | 71+9= | 36-18= |
| 78-5= | 47+10= | 48-29= | 66+17= |
| 65+13= | 48-32= | 13+77= | 47+18= |
| 26+11= | 78+12= | 11+87= | 38-29= |
| 76-23= | 49+11= | 56-14= | 35+56= |
| 55+10= | 36-24= | 35+59= | 87-29= |
| 93-36= | 77-3= | 68-27= | 26+26= |
| 77-(65-6)= | 59+36= | 75-24+26= |
| 32+(45-28)= | 81-45= | 24-16+40= |
| 11+49= | 78+13= | 68+10= | 78+11= |
| 11+12+23= | 12+4-7= | 76-2-19= | 73+23-20= |
| 70-10-2= | 73+3-9= | 65+15-0= | 90-4-2= |
| 37-6-4= | 46-2-10= | 44+3-10= | 90-2+3= |
| 32+13+1= | 45+5-1= | 11+29+4= | 77-20+5= |
| 96-11+3= | 71-20-1= | 76+20-16= | 80-30-21= |
| 80-22-28= | 70+4-5= | 32+30+12= | 50+4-10= |
| 27+8-10= | 60-10-50= | 46-11+4= | 19+2+15= |
| 43+16+6= | 43+20-4= | 40-10-3= | 7+12-7= |
| 45+21-3= | 31+2+6= | 77-10+12= | 77-50-2= |
| 53-37= | 83-(29+39)= | 48-26+18= |
| 88-34+18= | 51-42+53= | 75+(41-23)= |
| 65-11-3= | 40+0-4= | 49-40-5= | 9+19-1= |
| 17+19= | 71+4+5= | 50+50-0= | 1+12+7= |
| 43+2+1= | 70+1-7= | 39+21= | 2+25-10= |
| 90-26= | 45-4-10= | 47+12= | 40-30-1= |
| 45-6= | 33+4= | 78-18= | 2+33+30= |
| 24-6= | 37+7= | 11+6-13= | 60-5-13= |
| 70-18= | 62+3= | 34+4-13= | 90-10-2= |
| 36+5= | 78-12= | 51+14= | 90-7+5= |
| 50-2-3= | 44+4-2= | 73-20= | 5-0+40= |
| 42+19= | 39+3+5= | 69-18= | 2+30+55= |
| 63+12-42= | 21+(82-16)= | 88-(34+18)= |
| 57-33+31= | 36-27+59= | 77-19-16= |
| 19+2-10= | 13+67= | 9+17-7= | 32+11= |
| 2+55-40= | 86-12= | 60-1-4= | 12+29= |
| 3+27+3= | 10+69= | 36+5-4= | 63+14= |
| 10-1+50= | 86-51= | 40-1-20= | 82+10= |
| 78-12-18= | 70+9= | 3+27+2= | 11+79= |
| 3-2+= | 16-2+4= | 60-9-5= | 88+12= |
| 41+3+16= | 44+5-2= | 3-1+79= | 10+49= |
| 11+36= | 6+36-8= | 10-3-1= | 62+13= |
| 12+65= | 3+15+5= | 63+10= | 10+38= |
| 43+13= | 13+2-9= | 37-6= | 35-2×8= |
| 13+58= | 51-42+53= | 75+24-23= |
| 85-36= | 12+(79-62)= | 81-(27+28)= |
| 5×4+4= | 23+28= | 21+90= | 20+86= |
| 4+9×9= | 9×2+4= | 6×6= | 4×9= |
| 30+5×7= | 6×3+3= | 21+62= | 20+78= |
| 65-2×3= | 3×9-6= | 6×8= | 86+5= |
| 33+2×7= | 2×8-5= | 21+54= | 2+55-40= |
| 17+2×6= | 7×7-6= | 7×3= | 3+27+3= |
| 3×9+6= | 77-2×2= | 7×6= | 10-1+50= |
| 4×3+15= | 70-5×2= | 22+37= | 78-12-18= |
| 8×8+17= | 23+24= | 5×2= | 3-2+= |
| 7×7-13= | 11+13= | 20+69= | 41+3+16= |
| 77-65-6= | 71-52+36= | 75-24+26= |
| ( )里最大能填几? ( )×5< 22 ( )×2<9 4×( )< 10 6×( )<27 3×( )<13 ( )×5<26 |
| 3×9= | 2×9+6= | 8×5= | 3×9= |
| 4×1= | 5×7+11= | 15+63= | 4×1= |
| 4×2= | 3×7+31= | 8×7= | 4×2 |
| 10+19= | 14+24= | 11+69= | 10+19= |
| 15-11= | 13+49= | 12+13= | 15-11= |
| 13+29= | 21+13= | 35-3= | 13+29= |
| 28+12= | 10+27= | 12+57= | 28+12= |
| 10+70= | 76+10= | 69+11= | 10+70= |
| 67+12= | 41+14= | 12+47= | 67+12= |
| 35+11= | 25+11= | 87-53= | 35+11= |
| 82-(45-38)= | 81-45+36= | 24-16+40= |
| ( )里最大能填几? 7×( )<58 ( )×4<35 ( )×4<18 9×( )<28 ( )×8<30 ( )×6<50 |
| 22+48= | 11+32= | 4×8= | 18+82= |
| 7×2= | 2×7= | 14+57= | 11+18= |
| 18+77= | 11+69= | 14+58= | 3×2= |
| 11+26= | 2×9= | 14+59= | 11+20= |
| 7×5= | 3×1= | 15+60= | 7×1= |
| 21+35= | 12+35= | 2×2= | 6×2= |
| 7×8= | 3×3= | 15+62= | 11+23= |
| 13+48= | 20+77= | 6×5= | 2×1= |
| 8×1= | 3×5= | 21+93= | 13+47= |
| 11+10= | 23+29= | 6×7= | 2×3= |
| 53-37+15= | 63-23+28= | 68-(26+18)= |
| 63+12-42= | 21+82-60= | 81-25-19= |
| 19+10= | 11+28= | 70-10-2= | 45-6-34= |
| 37-19= | 34+13= | 37-6-4= | 24+5-6= |
| 37+11= | 78-18= | 32+13+1= | 70-18-12= |
| 72+10= | 71+9= | 96-11+3= | 36+5-2= |
| 78-5= | 48-6= | 80-22-28= | 50-2-3= |
| 65+13= | 13+72= | 27+8-10= | 42-2+19= |
| 60+11= | 11+87= | 43+16+6= | 73+20+4= |
| 76-23= | 56-14= | 45+21-3= | 11+28= |
| 55+10= | 10+59= | 65-11-3= | 34+13= |
| 96-36= | 68-27= | 17+19-18= | 78-18= |
| 33-14= | 36+34-14= | 73+(76-38)= |
| 72-(36+27)= | 72-45-32= | 54-18= |
| 60-32= | 9×6 = | 29+74= | +36= |
| 69+34= | 1×1 = | 28+36= | 28+58= |
| 46+34= | 1×1 = | 96-68= | 51+28= |
| 26+69= | 8×2 = | 69-26= | 68-56= |
| 68-26= | 5×1 = | 23+68= | 19+38= |
| 47-29= | 7×5 = | 72-56= | 43+26= |
| 49+25= | 6×8 = | 27+69= | 54+42= |
| 91-73= | 3×3 = | 41-28= | 27+56= |
| 35+37= | 8×6 = | 49+47= | 97-54= |
| 23+38= | 4×5 = | 62+19= | 51-35= |
| 54-52+17= | 83-51-24= | 63+19= |
| 83-27+10= | 54-(21+18)= | 65-18= |
| 98-2×6 = | 6+6×5 = | 95-= | 79-56= |
| 54-8×2 = | 77-7×6 = | 80-56= | 65+32= |
| 23-7×9 = | 67-6×9 = | 71+26= | 84-36= |
| 17-5×3 = | 60-6×5 = | 69+26= | +36= |
| 63-9×6 = | 5+4×4 = | 58-46= | 65+25= |
| 34-9×3 = | 82-9×1 = | 25+57= | 37+32= |
| 54-5×6 = | 18-9×1 = | 46+37= | 84-56= |
| 48-8×2 = | 69-9×3 = | 29+42= | 61+22= |
| -9×3 = | 83-9×3 = | 52+38= | 63+28= |
| 32+5×6 = | 71-8×6 = | 36+28= | 45+25= |
| 65+15-47= | 77+55= | 63-(29+13)= |
| 61-45-18= | 63+18-11= | 75-28-28= |
| 29+67= | 8×6 = | 76+24= | 6×5 = |
| 56+24= | 1×1 = | 34+62= | 7×5 = |
| 66-36= | 1×4 = | 67-38= | 1×8 = |
| 55+29= | 8×6 = | 55-16= | 2×9 = |
| 54+28= | 3×3 = | 35+19= | 2×5 = |
| 39+36= | 6×5 = | 36+38= | 8×5 = |
| 13+79= | 4×6 = | 26+48= | 9×5 = |
| 39+21= | 7×3 = | 76+16= | 8×7 = |
| 78-56= | 9×7 = | 75-46= | 7×5 = |
| 29+36= | 2×6 = | 59+23= | 7×2 = |
| 54-41+36= | 53+26-49= | 82-66= |
| 36+27= | 72-45-18= | 54-(32-14)= |
| -6×5 = | 8×5 = | 53+46= | 36+38= |
| 87-7×5 = | 9×5 = | 76-43= | 26+48= |
| 45-1×8 = | 8×7 = | 87-56= | 76+16= |
| 34-2×9 = | 7×5 = | 27+53= | 75-46= |
| 15-2×5 = | 7×2 = | 56-26= | 59+23= |
| 32+8×5 = | 3×4 = | 52+17= | 58+14= |
| 42+9×5 = | 2×4 = | 38+56= | 24+37= |
| 32-8×1 = | 6×9 = | 57+15= | 45+36= |
| 73-7×5 = | 3×1 = | 49+16= | 55+26= |
| 22-7×2 = | 4×3 = | 25+56= | 73-29= |
| 21+82+17= | 83-27+10= | 54+(46-18)= |
| 93-56-28= | 79-(37+14)= | 67-28-16= |
二年级下册数学试题 口算及竖式计算练习题
13+44=11+68=11+2=20+76=2×4=16+69=11+3=4×9=13+46=11+78=11+1=20+78=2×6=11+88=11+25=86+5=11+9=11+78=8×4=15+90=2×8=13+49=11+27=6×6=11+11=4×7=11+28=21+62=18+72=13+51=5×6=6×8=11+18=4×8=18+76=5×2=3×2=14+57=3×4=20+69=35+（42-29）=77–29+26=58+21–39=31+（46–27）=
