3⼀5÷[(7⼀4-2⼀3)x1⼀2]简便运算吧

3/5÷[(7/4-2/3)x1/2]简便运算吧
2024-12-19 11:21:22
推荐回答(1个)
回答1:

3/5÷[(7/4-2/3)x1/2]
=3/5÷[(21/12-8/12)x1/2]
=3/5÷(13/12x1/2)
=3/5÷13/24
=3/5x24/13
=72/65