Question

用简便方法计算：3333x4444+6x5555x2222=？

Answer 1

原式=3x4x1111^2+6x5x2x1111^2
=(12+60 )x 1111^2
=72x1234321
=(80 - 8)x1234321
=98745680 - 9874568
=88871112

Answer 2

1111×（3+4）+6×1111×（5+2）=7777+7777×6=（1+6）×7777=7×7777=54439

Answer 3

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追答