
简便运算
88+156+44 28+69+172 57+288+43
46×28+54×28 34×72+34×28 91+34+109+366
(20+4)×25 35×37+65×37 19×66+81×66
32×(200+3) 12×26+12×4 125×(80+8)
12×65+65×88 8×(125+9) 39×6+39×54
100-24-36 26×21 58×11
85×82+82×15 5×2×2 (125×25)×4
(125+17)×8 25×97+25×3 378+527+73
167+2+33 58+39+42+61 76×25+25×24
206×14-6×14 72×99 38×29+3
25×37×4 (125×12)×8 44×25
27×45+27×55 13×102 25×32
169+78+22 138+293+62+107 800÷25
24+35+85+76 8×125 168+250+32
781+312+19+88 372+86+114+28 37+56+63+44
275+46+25 425++75+36 100-57-23
1457-(185+457) 902-98 125×32×25
125×32 25×14×4 25×32×125
8×37×125 4×(78×25) 33×125×8×2
16×25 72×125 36×15
(40+8)×25 125×(8+80) 36×(100+50)
36×34+36×66 75×23+25×23 28×18-8×28
168+250+32 781+312+19+88 372+86+114+28
37+56+63+44 275+46+25 425++75+36
100-57-23 1457-(185+457) 902-98
125×32 25×14×4 25×32×125
8×37×125 4×(78×25) 33×125×8×2
125×808 25×44 99×56
102×87 165+248+35 47×99+47
630÷18÷5 36×25 63×73-63×66
421-175-25 125×25× 72×26+36×48
×101 37×49+37×51 102×46
25×43×2×4 700÷25 105×34-34×5
答案
88+156+44 28+69+172 57+288+43
=88+(156+44) =(28+172)+69 =(57+43)+288
=88+200 =200+69 =100+288
=288 =269 =388
46×28+54×28 34×72+34×28 91+34+109+366
=28×(46+54) =34×(72+28) =(91+109)+(34+366)
=28×100 =34×100 =200+400
=2800 =3400 =600
(20+4)×25 35×37+65×37 19×66+81×66
=20×25+4×25 =37+(35+65) =66×(19+81)
=500+100 =37+100 =66×100
=600 =137 =6600
32×(200+3) 12×26+12×4 125×(80+8)
=32×200+32×3 =12×(26+4) =125×80+125×8
=00+ =12×30 =10000+1000
= =360 =11000
12×65+65×88 8×(125+9) 39×6+39×54
=65×(12+88) =8×125+8×9 =39×(6+54)
=65×100 =1000+72 =39×60
=6500 =1072 =2340
100-24-36 26×21 58×11
=100-(24+36) =26×(20+1) =58×(10+1)
=100-60 =26×20+26×1 =58×10+58×1
=40 =520+26 =580+58
=546 =638
85×82+82×15 5×2×2 (125×25)×4
=82×(85+15) =(5×2)×2 =125×(25×4)
=82×100 =10×2 =125×100
=8200 =20 =12500
(125+17)×8 25×97+25×3 378+527+73
=125×8+17×8 =25×(97+3) =378+(527+73)
=1000+120 =25×100 =378+600
=1120 =2500 =978
167+2+33 58+39+42+61 76×25+25×24
=(167+33)+2 =(58+42)+(39+61) =25×(76+24)
=200+2 =100+100 =25×100
=4 =200 =2500
206×14-6×14 72×99 38×29+38
=14×(206-6) =72×(100-1) =38×29+38×1
=14×200 =72×100-72×1 =38×(29+1)
=2800 =7200-72 =38×30
=7128 =1140
25×37×4 (125×12)×8 44×25
=(25×4)×37 =125×8×12 =10×(4×25)
=100×37 =1000×12 =10×100
=3700 =12000 =1000
27×45+27×55 13×102 25×32
=27×(45+55) =13×(100+2) =25×4×8
=27×100 =13×100+13×2 =100×8
=2700 =1300+26 =800
=1326
169+78+22 138+293+62+107 800÷25
=169+(78+22) =(138+62)+(293+107) =(800×4)÷(25×4)
=169+100 =200+400 =3200÷100
=269 =600 =32
24+35+85+76 47×102 168+250+32
=(24+76)+(35+85) =47×(100+2) =(168+32)+250
=100+120 =47×100+47×2 =200+250
=220 =4700+94 =450
=4794
781+312+19+88 372+86+114+28 37+56+63+44
=(781+19)+(312+88) =(372+28)+(86+114) =(37+63)+(56+44)
=800+400 =400+200 =100+100
=1200 =600 =200
275+46+25 425++75+36 100-57-23
=275+25+46 =(425+75)+(+36) =100-(57+23)
=300+46 =500+100 =100-80
=346 =600 =20
1457-(185+457) 902-98 125×32×25
=1457-457-185 =902-(100-2) =125×8×4×25
=1000-185 =902-100+2 =1000×100
=815 =802+2 =100000
=804
125×32 25×14×4 25×32×125
=125×8×4 =(25×4)×14 =(25×4)×(8×125)
=1000×4 =100×14 =100×1000
=4000 =1400 =100000
8×37×125 4×(78×25) 33×125×8×2
=37×(8×125) =(4×25)×78 =33×2×1000
=37×1000 =100×78 =66×1000
=38000 =7800 =66000
16×25 72×125 36×15
=4×(4×25) =9×(8×125) =6×6×15
=4×100 =9×1000 =6×90
=400 =9000 =540
(40+8)×25 125×(8+80) 36×(100+50)
=40×25+8×25 =125×8+125×80 =36×100+36×50
=1000+200 =1000+10000 =3600+1800
=1200 =11000 =5400
36×34+36×66 75×23+25×23 28×18-8×28
=36×(34+66) =23×(75+25) =28×(18-8)
=36×100 =23×100 =28×10
=3600 =2300 =280
168+250+32 781+312+19+88 372+86+114+28
=168+32+250 =(781+19)+(312+88) =(372+28)+(86+114)
=200+250 =800+400 =400+200
=450 =1200 =600
37+56+63+44 275+46+25 425++75+36
=(37+63)+(56+44) =275+25+46 =(425+75)+(+36)
=100+100 =300+46 =500+100
=200 =346 =600
100-57-23 1457-(185+457) 902-98
=100-(57+23) =1457-185-457 =902-(100-2)
=100-80 =1457-457-185 =902-100+2
=20 =1000-185 =802+2
=815 =804
125×32 25×14×4 25×32×125
=125×8×4 =25×4×14 =(25×4)×(8×125)
=1000×4 =100×14 =100×1000
=4000 =1400 =100000
8×37×125 4×(78×25) 33×125×8×2
=8×125×37 =4×25×78 =33×2×1000
=1000×37 =100×78 =66×1000
=37000 =7800 =66000
125×808 25×44 99×56
=125×(800+8) =25×(40+4) =(100-1)×56
=125×800+125×8 =25×40+25×4 =100×56-1×56
=100000+1000 =1000+100 =5600-56
=101000 =1100 =5544
102×87 165+248+35 47×99+47
=(100+2)×87 =165+35+248 =47×99+47×1
=100×87+2×87 =200+248 =47×(99+1)
=8700+174 =448 =47×100
=8874 =4700
630÷18÷5 36×25 63×73-63×66
=630÷(18×5) =9×4×25 =63×(73-66)
=630÷90 =9×100 =63×7
=7 =900 =441
421-175-25 125×25× 72×36+36×28
=421-(175+25) =125×25×8×8 =36×(72+28)
=421-200 =125×8×25×8 =36×100
=221 =1000×200 =3600
=200000
×101 37×49+37×51 102×46
=×(100+1) =37×(49+51) =(100+2)×46
=×100+×1 =37×100 =100×46+2×46
=00+ =3700 =4600+92
= =4692
25×43×2×4 700÷25 105×34-34×5
=25×4×43×2 =(700×4)÷(25×4) =34×(105-5)
=100×86 =2800÷100 =34×100
=8600 =28 =3400
