777x9+111x37=


=111x7x9+111x37
=111x63+111x37
=111x(63+37)
=11100


如腔庆晌图伍锋差清


这个题目侍贺,先要分析,777要想启慧到111✘7那么
777✘9十111✘37
=7✘111✘老旁派9十111✘37
=111✘(7X9十37)
=111✘100
=11100
原式=111x63+111x37=11100
777x9+111x37=111(63+37)=11100