72*0.81+10.4用简便方法计算
答案:4 悬赏:80 手机版
解决时间 2021-04-04 21:37
- 提问者网友:不爱我么
- 2021-04-04 09:11
72*0.81+10.4用简便方法计算
最佳答案
- 五星知识达人网友:像个废品
- 2021-04-04 10:22
72×0.81+10.4
=7.2×8.1+10.4
=7.2×8+7.2×0.1+10.4
=57.6+0.72+10.4
=68+0.72
=68.72
=7.2×8.1+10.4
=7.2×8+7.2×0.1+10.4
=57.6+0.72+10.4
=68+0.72
=68.72
全部回答
- 1楼网友:蕴藏春秋
- 2021-04-04 12:19
72*0.18+10.4
=7.2*1.8+10.4
=9*0.8*9*0.2+10.4
=81*0.16+10.4
=80*0.16+0.16+10.4
=12.8+0.16+10.4
=12.96+10.4
=23.36
=7.2*1.8+10.4
=9*0.8*9*0.2+10.4
=81*0.16+10.4
=80*0.16+0.16+10.4
=12.8+0.16+10.4
=12.96+10.4
=23.36
- 2楼网友:荒野風
- 2021-04-04 11:11
p11.做一做
72×0.81+10.4
=7.2×8.1+10.4
=7.2×8+7.2×0.1+10.4
=57.6+0.72+10.4
=68+0.72
=68.72
72×0.81+10.4
=7.2×8.1+10.4
=7.2×8+7.2×0.1+10.4
=57.6+0.72+10.4
=68+0.72
=68.72
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