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简便运算66×37÷66

计算: =(66/66)*37 =1*37 =37

37*66-37+37*35 =37*(66-1+35) =37x100 =3700

67×35+67×66-67 =67×(35+66-1) =67×100 =6700

66÷1.2=(60+6)÷1.2=60÷1.2+6÷1.2=50+5=55

1)4/5÷(3/4-2/5) =4/5÷(15/20-8/20) =4/5÷7/20 =7/25 2)66×(4/11+2/3) =66×4/11+66×2/3 =6×4+22×2 =24+44 =68

222 ×33+889×66 =222×33+(889×2)×(66÷ 2) =222×33+1778×33 =(222+1778)×33 =2000×33 66000

66×55 =6×11×5×11 =30×121 =3630

(1)66×32÷16÷11=(66÷11)×(32÷16)=6×2=12;(2)8400÷(21×74+26×21)=8400÷[21×(74+26)]=8400÷[21×100]=8400÷2100=4;(3)101×999=(100+1)×999=100×999+1×999=99900+999=100899;(4)754×52÷26=39208÷26=1508;(5)5500÷125=5500÷1...

(1) 103÷73-159-57= (2) 83×91÷131+38= (3) 197-46+67-13= (4) 38÷54×126-52= (5) 192+52×136÷66= (6) 123-47+159-16= (7) 164×23-126+74= (8) 117+21+17-19= (9) 7÷9×161+93= (10) 93×35-128+36= (11) 86×9×187×99= (12) 68÷83-14÷54= (13) 80÷...

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