6666×0.8+5.2×1111的简便算法
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6666×0.8+5.2×1111的简便算法
6666×0.8+5.2×1111的简便算法
6666×0.8+5.2×1111的简便算法
=1111×6×0.8+5.2×1111
=1111×4.8+5.2×1111
=1111×(4.8+5.2)
=1111×10
=11110
6666×0.8+5.2×1111
=1111x6x0.8+5.2x1111
=1111x(4.8+5.2)
=11110
原式=1111*6*0.8+5.2*1111
=1111*(4.8+5.2)
=1111*10
=11110
6666×0.8+5.2×1111
=1111×6×0.8+5.2×1111
=1111×(6×0.8﹢5.2)
=1111×(4.8+5.2)
=1111×10
=11110