脱式计算,能简算的要简算.
50.4×1.9﹣1.8 3.76×0.25+25.8 4.8×0.25
1.5×105 1.2×2.5+0.8×2.5 21.36÷0.8﹣12.9.
脱式计算,能简算的要简算.
50.4×1.9﹣1.8 3.76×0.25+25.8 4.8×0.25
1.5×105 1.2×2.5+0.8×2.5 21.36÷0.8﹣12.9.
试题篮
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