第1个回答 2023-02-12
=1.25*8*11.1
=10*11.1
=111
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第2个回答 2023-03-21
1.25*88.8
=1.25*(80+8+0.8)
=1.25*80*1.25*8+1.25*0.8
=100+10+1
=111
先把88.8拆分成80、8、0.8,然后再运用乘法分配律,分别相乘,凑整,简便运算
第3个回答 2023-02-28
1.25*88.8
=1.25*8*11.1
=10*11.1
=111
1.25*88.8
=1.25*80+1.25*8+1.25*0.8
=100+10+1
=111
第4个回答 2023-01-29
1.25×88.8
=1.25×8×11.1
=10×11.1
=111
第5个回答 2023-01-24
1.25ⅹ8.88
=1.25ⅹ8ⅹ1.11
=10ⅹ1.11
=11.1