0.25×4.4和12.5×0.88你能用几种方式计算
列示要清楚
人气:172 ℃ 时间:2020-03-30 02:40:17
解答
清晨宝玉,你好:
0.25×4.4
=0.25×4×1.1
=1×1.1
=1.1
0.25×4.4
=0.25×4+0.25×0.4
=1+0.1
=1.1
12.5×0.88
=12.5×8×0.11
=100×0.11
=11
12.5×0.88
=0.125×88
=0.125×80+0.125×8
=10+1
=11
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