如题所述
第1个回答 2014-03-27
101*87
=(100+1)*87
=100*87+1*87
=8700+87
=8787
=(100+1)*87
=100*87+1*87
=8700+87
=8787
第2个回答 2014-03-27
100X90-3X100+87等于8787
第3个回答 2014-03-28
101*87
=(100+1)*87
=8700+87
=8787
=(100+1)*87
=8700+87
=8787