2.53*2.6+25.3*7.4的简便计算

2025-02-03 08:10:01
推荐回答(1个)
回答1:

2.53*2.6+25.3*7.4
=2.53*2.6+2.53*74
=2.53*(2.6+74)
=2.53*76.6
=193.798