递等式计算(能巧算的要巧算)8.8×1.01 6.72÷(4.8×0.5) 1000÷1.25×8 8400...
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解决时间 2021-02-11 10:32
- 提问者网友:放下
- 2021-02-10 21:00
递等式计算(能巧算的要巧算)8.8×1.01 6.72÷(4.8×0.5) 1000÷1.25×8 8400...
最佳答案
- 五星知识达人网友:鱼芗
- 2021-02-10 22:32
(1)8.8×1.01
=8.8×(1+0.01)
=8.8×1+8.8×0.01
=8.888;
(2)6.72÷(4.8×0.5)
=6.72÷2.4
=2.8;
(3)1000÷1.25×8
=800×8
=6400;
(4)8400÷2.5÷0.4
=8400÷(2.5×0.4)
=8400÷1
=8400;
(5)125.7×18.5-25.7×18.5
=(125.7-25.7)×18.5
=100×18.5
=1850;
(6)0.35×(12+3.96÷18)
=0.35×(12+0.22)
=0.35×12.22
=4.277.
=8.8×(1+0.01)
=8.8×1+8.8×0.01
=8.888;
(2)6.72÷(4.8×0.5)
=6.72÷2.4
=2.8;
(3)1000÷1.25×8
=800×8
=6400;
(4)8400÷2.5÷0.4
=8400÷(2.5×0.4)
=8400÷1
=8400;
(5)125.7×18.5-25.7×18.5
=(125.7-25.7)×18.5
=100×18.5
=1850;
(6)0.35×(12+3.96÷18)
=0.35×(12+0.22)
=0.35×12.22
=4.277.
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