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1.2×(9.6÷24)÷4.8的简便计算

1

1.2*9.6/4.8/2.4=1

1.2×(9.6÷2.4)÷4.8 =1.2x4÷4.8 =4.8÷4.8 =1

4.8÷0.24÷2 =(4.8÷2.4)x(10÷2) =2x5 =10

1.2x2.8x0.5÷4.8 =3.36x0.5÷4.8 =1.68÷4.8 =0.45

简便计算: [1.9+1.9×(4.8—3.81)]÷(2.9—2.8) =[1.9+1.9×0.99]÷0.1 =1.9×(1+0.99)÷0.1 =1.9×1.99÷0.1 =3.781÷0.1 =37.81 2—(1881×1882—1)分之(1881 +1880×1882) =2—(1880×1882+1882—1)分之(1881 +1880×1882) =2—(1880×1882+1881)分之(1881 +1...

=9.6÷4.8x2.25 =2x2.25 =4.5

9.1×4.8×4又2分之1÷1.6÷20分之3÷1.3 =(9.1÷1.3)×(4.8÷1.6)×(2分之9÷20分之3) =7×3×30 =630 供参考 有疑问请追问

3.2+4.8=8 6.3-0.94=5.36 0.25×4=1 5×1.2=6 4.8÷0.6=8 4.8÷24=0.2 3.6-2.4=1.2 6-4.6=1.4 8-3.4=4.6 6×0.21=1.26 1.25×8=10 0.8÷0.5=1.6 25×0.3=7.5 0.63-0.3=0.33 2.5+7.5=10 34×0.1=3.4 7-0.99=6.01 21÷0.7=30 5×2.4=12 3×1.03=3.09

解:(1)1.2×(9.6÷2.4)÷4.8 =1.2÷2.4×9.6÷4.8 =1/2 ×2 =1 (2)8.9×1.1×4.73 =8.9×5.203 =(10-1.1)×5.203 =52.03-5.7233 =46.3067 (3)3.94+34.3×0.2 =3.94+6,86 =10.8

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