用递等式计算下列各题.(1)8.32-2.65+3.901 (2)77.3-(6.26+1.34)(3)88.8+6.04+5.16-12.2&...
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解决时间 2021-11-24 05:31
- 提问者网友:沉默的哀伤
- 2021-11-23 20:46
用递等式计算下列各题.(1)8.32-2.65+3.901 (2)77.3-(6.26+1.34)(3)88.8+6.04+5.16-12.2&...
最佳答案
- 五星知识达人网友:风格不统一
- 2021-11-23 21:50
(1)8.32-2.65+3.901,
=5.67+3.901,
=9.571;
(2)77.3-(6.26+1.34),
=77.3-7.6,
=69.7;
(3)88.8+6.04+5.16-12.2,
=(88.8-11.2)+(6.04+5.16),
=76.6+11.2,
=87.8;
(4)7.6-(4.99-4.7)+0.78,
=7.6-0.29+0.78,
=7.31+0.78,
=8.09.
=5.67+3.901,
=9.571;
(2)77.3-(6.26+1.34),
=77.3-7.6,
=69.7;
(3)88.8+6.04+5.16-12.2,
=(88.8-11.2)+(6.04+5.16),
=76.6+11.2,
=87.8;
(4)7.6-(4.99-4.7)+0.78,
=7.6-0.29+0.78,
=7.31+0.78,
=8.09.
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