98*76+152的简便计算
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98*76+152的简便计算
98*76+152的简便计算
98*76+152的简便计算
98*76+152
=98*76+76*2
=76*(98+2)
=76*100
=7600
98*76+152
=(100-2)*76+152
=100*76-2*76+152
=7600-152+152
=7600
98*76+152的简便计算
98*76+152的简便计算
98*76+152的简便计算
98*76+152
=98*76+76*2
=76*(98+2)
=76*100
=7600
98*76+152
=(100-2)*76+152
=100*76-2*76+152
=7600-152+152
=7600