3分之2乘17加3除3分之2除12分之1假3分之2

问题描述:

3分之2乘17加3除3分之2除12分之1假3分之2

2/3×17+3÷2/3÷1/12+2/3
=34/3+3×3/2×12+2/3
=36/3+3×3×6
=12+54
=66