(1.5+2/3)/3.75-2/3 (1.5+2/3)/3.75-2/3能简算吗?如果能要怎么算,不能又怎么算.
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![(1.5+2/3)/3.75-2/3 (1.5+2/3)/3.75-2/3能简算吗?如果能要怎么算,不能又怎么算.](/uploads/image/z/957173-5-3.jpg?t=%EF%BC%881.5%2B2%2F3%EF%BC%89%2F3.75-2%2F3+%EF%BC%881.5%2B2%2F3%EF%BC%89%2F3.75-2%2F3%E8%83%BD%E7%AE%80%E7%AE%97%E5%90%97%3F%E5%A6%82%E6%9E%9C%E8%83%BD%E8%A6%81%E6%80%8E%E4%B9%88%E7%AE%97%2C%E4%B8%8D%E8%83%BD%E5%8F%88%E6%80%8E%E4%B9%88%E7%AE%97.)
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(1.5+2/3)/3.75-2/3 (1.5+2/3)/3.75-2/3能简算吗?如果能要怎么算,不能又怎么算.
(1.5+2/3)/3.75-2/3
(1.5+2/3)/3.75-2/3能简算吗?如果能要怎么算,不能又怎么算.
(1.5+2/3)/3.75-2/3 (1.5+2/3)/3.75-2/3能简算吗?如果能要怎么算,不能又怎么算.
交叉相乘通分,
(1.5+2/3)/3.75-2/3
=(4.5+2-7.5)/11.25
=-1/11.25
=-100/1125
=-4/45