脱式计算(能简算的要简算)
2.5×1.37×0.4 4.8×0.25 0.89×4.8+0.89×5.2
101×0.78 8.8×1.25 4.3×0.8×5.
脱式计算(能简算的要简算)
2.5×1.37×0.4 4.8×0.25 0.89×4.8+0.89×5.2
101×0.78 8.8×1.25 4.3×0.8×5.
试题篮
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