45.6×6.7+4.56×33的简便远算怎么算

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45.6×6.7+4.56×33的简便远算怎么算
x)313;

45.6×6.7+4.56×33的简便远算怎么算
45.6×6.7+4.56×33的简便远算怎么算

45.6×6.7+4.56×33的简便远算怎么算
45.6×6.7+4.56×33
=45.6×6.7+45.6×3.3
=45.6×(6.7+3.3)
=45.6×10
=456