888*7+111*44-222=111*56+111*44-222=11100-222=10878
888*7+111*44-222=111(8*7+44-2) =11100-222=10878
888×7+111×44-222=111×（8×7+44-2）=111×（100-2）=11100-222=10878
=111*(8*7+44-2)
=111*(100-2)
=11100-222
=10878
简便运算：888乘以7加111乘以44减222
888*7+111*44-222=111*56+111*44-222=11100-222=10878
888*7+111*44-222=111(8*7+44-2) =11100-222=10878
888×7+111×44-222=111×（8×7+44-2）=111×（100-2）=11100-222=10878
=111*(8*7+44-2)
=111*(100-2)
=11100-222
=10878