如题所述
第1个回答 2011-09-25
98*76+152
=98*76+76*2
=76*(98+2)
=76*100
=7600本回答被提问者采纳
=98*76+76*2
=76*(98+2)
=76*100
=7600本回答被提问者采纳
第2个回答 2011-09-25
98*76+152
=(100-2)*76+152
=100*76-2*76+152
=7600-152+152
=7600
=(100-2)*76+152
=100*76-2*76+152
=7600-152+152
=7600