如题所述
2.02×8.5
=(2+0.02)×8.5
=2×8.5+0.02×8.5
=17+0.17
=17.17
=(2+0.02)×8.5
=2×8.5+0.02×8.5
=17+0.17
=17.17
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第1个回答 2022-09-20
利用乘法运算定律进行简便运算:2.02×8.5 =(2+0.02)×8.5 =2×8.5+0.02×8.5 =17+0.17 =17.17
第2个回答 2019-08-01
如图所示望采纳
第3个回答 2019-08-01
2.02×8.5
=2×8.5+0.02×8.5
=17+0.17
=17.17
=2×8.5+0.02×8.5
=17+0.17
=17.17