二点零二×8点五怎样简便计算
第1个回答 2016-09-12
2.02x8.5
=2x8.5+0.02x8.5
=17+0.17
=17.17本回答被网友采纳
=2x8.5+0.02x8.5
=17+0.17
=17.17本回答被网友采纳
第2个回答 2019-09-11
2.02x8.5
=(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
第3个回答 2020-09-14
2.02×8.5
=2×8.5+0.O2x8.5
=17+0.17=17.17
=2×8.5+0.O2x8.5
=17+0.17=17.17