简便计算23×78+46×78+69×22
答案:2 悬赏:20 手机版
解决时间 2021-04-01 22:36
- 提问者网友：遁入空寂
- 2021-04-01 03:34
简便计算23×78+46×78+69×22
最佳答案
- 五星知识达人网友：持酒劝斜阳
- 2021-04-01 04:07
23×78+46×78+69×22
=78x(23+46)+69×22
=78x69+69×22
=69x(78+22)
=69x100
=6900
=78x(23+46)+69×22
=78x69+69×22
=69x(78+22)
=69x100
=6900
全部回答
- 1楼网友：独行浪子会拥风
- 2021-04-01 04:45
=1*23*78+2*23*78+3*23*22
=（1+2）*23*78+3*78*22
=3*23*78+3*23*22
=（78+22）*3*23
=100*3*23
=100*69
=6900
=（1+2）*23*78+3*78*22
=3*23*78+3*23*22
=（78+22）*3*23
=100*3*23
=100*69
=6900
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