888乘9加111乘28簡便運算

888乘9加111乘28簡便運算


=111×（8×9）+111×28
=111×72+111×28
=111×（72+28）
=111×100
=11100



計算：666×778+333×444=______.


666×778+333×444=666×778+333×（2×222）=666×778+666×222=666×（778+222）=666×1000=666000.故答案為：666000.



888×333×444×334簡算快！


888×333×444×334
=444×666+444×334
=444×（666+334）
=444000

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