五年级小数乘除简便运算

4.8×7.8＋78×0.52 56.5×99＋56.5 7.09×10.8－0.8×7.09

）

1.87×9.9＋0.187 :

3.83×4.56＋3.83×5.44 。

27.5×3.7－7.5×3.7 ]

3.14×0.68＋31.4×0.032 @

7.74×（2.8－1.3）＋1.5×2.26 ！

4.2×99＋4.2 4.36×12.5×8 0.65×101 7.2×0.2＋2.4×1.4 3.9×2.7＋3.9×7.3 1.25×2.5×32

9.7×99＋9.7

×0.25×12.5

8.9×1.01

12.7×9.9＋1.27

3.2 5.4×11-5.4 2.3×16+2.3×23+2.3 3.65×4.7－36.5×0.37

.

46×57＋23×86 2.22×9.9+6.66×6.7 101×0.87-0.91×87

(

10.7×16.1-15.1×10.7 0.25×36 》

7.6×0.8＋0.2×7.6 0.7777×0.7+0.1111×2.1 !

（

1.28×8.6＋0.72×8.6 0.39×199 0.32×403

0.25×0.73×4 3.65×10.1

0.85×9.9 0.25×8.5×4

888×1.6+222×3.6

12.5×0.96×0.8 10.6×0.35－9.6×0.35

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