(1⼀3+1⼀6+1⼀9+1⼀12+1⼀24)⼀(1⼀2+1⼀4+1⼀8+1⼀18+1⼀36)如何算?

2025-01-21 05:48:17
推荐回答(2个)
回答1:

分母都是3的倍数,分母最小公倍数是72,你那样算是没问题的

回答2:

(1/3+1/6+1/9+1/12+1/24)÷(1/2+1/4+1/6+1/8+1/16)
=1/3×(1+1/2+1/3+1/4+1/8)÷[1/2×(1+1/2+1/3+1/4+1/8)]
=1/3÷1/2
=2/3