Question

0.79*76+7.6*0.43-0.079*19怎么简便计算

Answer 1

455×7.6+111×19.2+43.3×76 =455×7.6+111×19.2+433×7.6 =（455+433）×7.6+111×19.2 =888*7.6+111*18.2 =8*111*7.6+