
1个回答
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简便计算
34.8X6.3+1.25x43+473x0.37
=34.8X6.3+12.5x4.3+47.3x3.7
=34.8X6.3+12.5x4.3+34.8x3.7+12.5×3.7
=34.8×(6.3+3.7)+12.5×(4.3+3.7)
=34.8×10+12.5×8
=348+100
=448
34.8X6.3+1.25x43+473x0.37
=34.8X6.3+12.5x4.3+47.3x3.7
=34.8X6.3+12.5x4.3+34.8x3.7+12.5×3.7
=34.8×(6.3+3.7)+12.5×(4.3+3.7)
=34.8×10+12.5×8
=348+100
=448
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