递等式计算,能简算的要简算.
4.8×0.25 2.33×0.5×4 1.2×2.5+0.8×2.5
50.4×1.9﹣1.9 3.7×0.25+4 0.65×201.
递等式计算,能简算的要简算.
4.8×0.25 2.33×0.5×4 1.2×2.5+0.8×2.5
50.4×1.9﹣1.9 3.7×0.25+4 0.65×201.
试题篮
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