2.9×99+2.9简便算法
答案:4 悬赏:0 手机版
解决时间 2021-02-01 00:26
- 提问者网友:流星是天使的眼泪
- 2021-01-31 17:51
2.9×99+2.9简便算法
最佳答案
- 五星知识达人网友:舍身薄凉客
- 2021-01-31 18:18
你好:
2.9×99+2.9
=2.9×(99+1)
=2.9×100
=290
2.9×99+2.9
=2.9×(99+1)
=2.9×100
=290
全部回答
- 1楼网友:像个废品
- 2021-01-31 20:41
2.9×99+2.9
=2.9×(99+1)
=2.9×100
=290
=2.9×(99+1)
=2.9×100
=290
- 2楼网友:末日狂欢
- 2021-01-31 20:27
2.9x99+2.9
=2.9x(99+1)
=2.9x100
=290
=2.9x(99+1)
=2.9x100
=290
- 3楼网友:深街酒徒
- 2021-01-31 19:43
2.9*99+2.9
=2.9*99+2.9*1
=2.9*(99+1)
=2.9*100
=290
=2.9*99+2.9*1
=2.9*(99+1)
=2.9*100
=290
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