34.5×4.9×8.7+34.5× 50.13用简便计算怎么算

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34.5×4.9×8.7+34.5×50.13用简便计算怎么算34.5×4.9×8.7+34.5×50.13用简便计算怎么算34.5×4.9×8.7+34.5×50.13用简便计算怎么算34.5×4.

34.5×4.9×8.7+34.5× 50.13用简便计算怎么算
34.5×4.9×8.7+34.5× 50.13用简便计算怎么算

34.5×4.9×8.7+34.5× 50.13用简便计算怎么算
34.5×4.9×8.7+34.5×50.13
= 34.5(4.9×8.7+50.13)
=34.5(42.63+50.13)
=34.5×92.76
=3200.22