9.8×5.2+三又五分之四×九又五分之四×98×0简便运算!
问题描述：
9.8×5.2+三又五分之四×九又五分之四×98×0简便运算!
答
9.8×5.2+三又五分之四×九又五分之四×98×0
=9.8×5.2+0
=(10-0.2)x5.2
=52-1.04
=50.96