用递等式计算(能简算的要简算) 5.03-2.5+0.96 35.72-(5.9+5.72)
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解决时间 2021-01-21 23:20
- 提问者网友:你给我的爱
- 2021-01-21 14:28
用递等式计算(能简算的要简算) 5.03-2.5+0.96 35.72-(5.9+5.72)
最佳答案
- 五星知识达人网友:野味小生
- 2021-01-21 15:21
(1)5.03-2.5+0.96,
=2.53+0.96,
=3.49;
(2)35.72-(5.9+5.72),
=35.72-5.9-5.72,
=35.72-5.72-5.9,
=30-5.9,
=24.1;
(3)25-4.7+5.3,
=20.3+5.3,
=25.6;
(4)1.3+2.83+8.7+0.17,
=(1.3+8.7)+(2.83+0.17),
=10+3,
=13;
(5)2.47-2.2-3.8+7.53,
=(2.47+7.53)-(2.2+2.8),
=10-5,
=5.
=2.53+0.96,
=3.49;
(2)35.72-(5.9+5.72),
=35.72-5.9-5.72,
=35.72-5.72-5.9,
=30-5.9,
=24.1;
(3)25-4.7+5.3,
=20.3+5.3,
=25.6;
(4)1.3+2.83+8.7+0.17,
=(1.3+8.7)+(2.83+0.17),
=10+3,
=13;
(5)2.47-2.2-3.8+7.53,
=(2.47+7.53)-(2.2+2.8),
=10-5,
=5.
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