18-1.5÷3/5 (3/4+1/2)×2/5 12+3/4×2/3

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/15 00:04:32
18-1.5÷3/5(3/4+1/2)×2/512+3/4×2/318-1.5÷3/5(3/4+1/2)×2/512+3/4×2/318-1.5÷3/5(3/4+1/2)×2/512+3/4×2/32

18-1.5÷3/5 (3/4+1/2)×2/5 12+3/4×2/3
18-1.5÷3/5 (3/4+1/2)×2/5 12+3/4×2/3

18-1.5÷3/5 (3/4+1/2)×2/5 12+3/4×2/3
289