简便就怎样算.72.8
答案:1 悬赏:80 手机版
解决时间 2021-11-19 15:31
- 提问者网友:川水往事
- 2021-11-18 17:57
简便就怎样算.72.8
最佳答案
- 五星知识达人网友:患得患失的劫
- 2021-11-18 19:31
简便就怎样算
(1)72.8-8.6+5.84
=64.2+5.84
=70.04;
(2)51.69-9.66-1.34
=51.69-(9.66+1.34)
=51.69-11
=40.69;
(3)6.78+2.46+3.22
=(6.78+3.22)+2.46
=10+2.46
=12.46;
(4)85.07-(15.3-4.8)
=85.07-10.5
=74.57.
(1)72.8-8.6+5.84
=64.2+5.84
=70.04;
(2)51.69-9.66-1.34
=51.69-(9.66+1.34)
=51.69-11
=40.69;
(3)6.78+2.46+3.22
=(6.78+3.22)+2.46
=10+2.46
=12.46;
(4)85.07-(15.3-4.8)
=85.07-10.5
=74.57.
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