222乘以778加上111乘以444的巧算

2024-12-15 01:48:01
推荐回答(2个)
回答1:

222乘以778加上111乘以444的巧算
222(778+222)=222乘以1000=222000

回答2:

222×778+111×444
=2x111x778+4x111x111
=2x778x111+2x222x111
=2x111x(778+222)
=222x1000
=222000