脱式计算.(能简算的请简算)4.36+8.3+3.6437.7-(8.98+7.7)
答案:1 悬赏:10 手机版
解决时间 2021-11-21 19:18
- 提问者网友:我一贱你就笑
- 2021-11-20 20:30
脱式计算.(能简算的请简算)4.36+8.3+3.6437.7-(8.98+7.7)
最佳答案
- 五星知识达人网友:春色三分
- 2021-11-20 20:38
(1)4.36+8.3+3.64,
=(4.36+3.64)+8.3,
=8+8.3,
=16.3;
(2)37.7-(8.98+7.7),
=37.7-7.7-8.98,
=30-8.98,
=21.02;
(3)19.57-2.37-3.63,
=19.57-(2.37+3.63),
=19.57-6,
=13.57;
(4)8-7.24+5.87,
=0.76+5.87,
=6.63.
=(4.36+3.64)+8.3,
=8+8.3,
=16.3;
(2)37.7-(8.98+7.7),
=37.7-7.7-8.98,
=30-8.98,
=21.02;
(3)19.57-2.37-3.63,
=19.57-(2.37+3.63),
=19.57-6,
=13.57;
(4)8-7.24+5.87,
=0.76+5.87,
=6.63.
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