66.6×9+22.2×33简便计算?
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66.6×9+22.2×33
=66.6×9+22.2×3×11
=66.6×9+66.6×11
=66.6×(9+11)
=66.6×20
=1332
=66.6×9+22.2×3×11
=66.6×9+66.6×11
=66.6×(9+11)
=66.6×20
=1332
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66.6×9+22.2×33
=(22.2×3)×9+22.2×33
=22.2×27+22.2×33
=22.2×(27+33)
=22.2×60
=1332
=(22.2×3)×9+22.2×33
=22.2×27+22.2×33
=22.2×(27+33)
=22.2×60
=1332
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66.6×9+22.2×33
=66.6×9+22.2×3×11
=66.6×(9+11)
=1332
=66.6×9+22.2×3×11
=66.6×(9+11)
=1332
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66.6×9+22.2×33
=66.6×9+22.2×3×11
=66.6×9+66.6×11
=66.6×(9+11)
=66.6×20
=1332
=66.6×9+22.2×3×11
=66.6×9+66.6×11
=66.6×(9+11)
=66.6×20
=1332
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简便算法过程如下
66.6×9+22.2×33
=22.2×3×9+22.2×33
=22.2×27+22.2×33
=22.2×(27+33)
=22.2×60
=1332
2
66.6×9+22.2×33
=22.2×3×9+22.2×33
=22.2×27+22.2×33
=22.2×(27+33)
=22.2×60
=1332
2
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