7.6×6.7+6.7×7.6×99有简便运算吗?

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7.6×6.7+6.7×7.6×99有简便运算吗?7.6×6.7+6.7×7.6×99有简便运算吗?7.6×6.7+6.7×7.6×99有简便运算吗?7.6×6.7+6.7×7.6×99=7.6×6.

7.6×6.7+6.7×7.6×99有简便运算吗?
7.6×6.7+6.7×7.6×99有简便运算吗?

7.6×6.7+6.7×7.6×99有简便运算吗?
7.6×6.7+6.7×7.6×99
=7.6×6.7×(1+99)
=7.6×6.7×100
=50.92×100
=5092

这样做可能简便点:(99+1)*6.7*7.6
=100*6.7*7.6
=67*76
=(60+7)*76
=76*60+76*7
=4560+532
=5092