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9.1-1.2÷6-6.247.3+12.8-3.8×2.3(5.36+7.64)÷13×1007.575÷[(5.63-1.88)×0.2].
题目详情
9.1-1.2÷6-6.24 | 7.3+12.8-3.8×2.3 |
(5.36+7.64)÷13×100 | 7.575÷[(5.63-1.88)×0.2]. |
9.1-1.2÷6-6.24 | 7.3+12.8-3.8×2.3 |
(5.36+7.64)÷13×100 | 7.575÷[(5.63-1.88)×0.2]. |
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答案和解析
(1)9.1-1.2÷6-6.24
=9.1-0.2-6.24,
=8.9-6.24,
=2.66;
(2)7.3+12.8-3.8×2.3
=20.1-8.74,
=11.36;
(3)(5.36+7.64)÷13×100
=13÷13×100,
=100;
(4)7.575÷[(5.63-1.88)×0.2]
=7.575÷[3.75×0.2],
=7.575÷0.75,
=10.1.
=9.1-0.2-6.24,
=8.9-6.24,
=2.66;
(2)7.3+12.8-3.8×2.3
=20.1-8.74,
=11.36;
(3)(5.36+7.64)÷13×100
=13÷13×100,
=100;
(4)7.575÷[(5.63-1.88)×0.2]
=7.575÷[3.75×0.2],
=7.575÷0.75,
=10.1.
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