6.88×3.43+6.86×1.56=
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题目内容:
6.88×3.43+ 6.86×1.56=
优质解答
6.88×3.43+ 6.86×1.56
=3.44×6.86+ 6.86×1.56
=(3.44+1.56)+×6.86
=5×6.86
=34.3 - 追问:
- +×6.86 什么意思??????????
- 追答:
- 6.88×3.43+ 6.86×1.56 =3.44×6.86+ 6.86×1.56 =(3.44+1.56)×6.86 =5×6.86 =34.3
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