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1.2×(9.6÷2.4)÷4.8怎么简便运算

1

1.2*9.6/4.8/2.4=1

=1.2×4÷4.8=4.8÷4.8=1

0.05

先用4.8x乘以15再加上4.8x除以2.4

30

(9.6×3.4×4.8)÷(3.2×1.7×2.4) = (3.2×3×1.7×2×2.4×2)÷(3.2×1.7×2.4) =(3×2×2)÷1 =12

解答: 解:(1))5.5×2=11 (2)9.6÷4.8=2 (3)3-1.5×2=0 (4)2×3.1=6.3 (5)2.4×0.5=1.2 (6)0.125×8-0.1=0.9 (7)0.48÷6=0.08 (8)0.63÷0.9×0.7=0.49 (9)2.4+7.6÷4=4.3 (10)10-8×1.25=0 (11)2.5×4÷2.5×4=16 (12)6.4-4=2.4

……可以碍………

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