0.25╳4.4写出三种方法。
答案:1 悬赏:80 手机版
解决时间 2021-12-01 01:48
- 提问者网友:末路
- 2021-11-30 21:13
0.25╳4.4写出三种方法。
最佳答案
- 五星知识达人网友:神也偏爱
- 2021-11-30 22:34
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
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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