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4.8×2.5×1.5怎么简便运算
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4.8x2.5x1.5简便运算为:
=4.8x2.5x1.5
=(4+0.8)x2.5x1.5
=(4x2.5+0.8x2.5)x1.5
=(10+2)x1.5
=10x1.5+2x1.5
=15+3
=18
=4.8x2.5x1.5
=(4+0.8)x2.5x1.5
=(4x2.5+0.8x2.5)x1.5
=(10+2)x1.5
=10x1.5+2x1.5
=15+3
=18
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