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(2013•广州模拟)脱式计算(能简算要简算)(1)(66-32×1.2)÷0.25(2)10×34+17×75%-7×0.75(3)0.25×(515(3-2.5×78))(4)9.99×22.2+33.3×3.34.
题目详情
(2013•广州模拟)脱式计算(能简算要简算)
(1)(66-32×1.2)÷0.25 (2)10×
+17×75%-7×0.75 (1)(66-32×1.2)÷0.25 (2)10×
+17×75%-7×0.75
+17×75%-7×0.75
3 3 4 4 (3)0.25×(5
(3-2.5×
)) (4)9.99×22.2+33.3×3.34. (3)0.25×(5
(3-2.5×
))
(3-2.5×
))
1 1 5 5
))
7 7 8 8 (4)9.99×22.2+33.3×3.34.
(1)(66-32×1.2)÷0.25 | (2)10×
| ||||
(3)0.25×(5
| (4)9.99×22.2+33.3×3.34. |
(1)(66-32×1.2)÷0.25 | (2)10×
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(3)0.25×(5
| (4)9.99×22.2+33.3×3.34. |
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▼优质解答
答案和解析
(1)(66-32×1.2)÷0.25,=(66-38.4)÷0.25,=27.6÷0.25,=110.4,(2)10×34+17×75%-7×0.75,=10×0.75+17×0.75-7×0.75,=(10+17-7)×0.75,=20×0.75,=15,(3)0.25×[515×(3-2.5×78)],=0.25...
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