x-1除以0.36 减去 0.5x+1除以0.3 等于 1

2025-05-10 20:09:49
推荐回答(4个)
回答1:

(x-1)/0.36-(0.5x+1)/0.3=1
25(x-1)/9-(5x+10)/3=1
25(x-1)-3(5x+10)=9
25x-25-15x-30=9
10x=64
x=6.4

回答2:

朋友先加个括号先

回答3:

6.4

回答4:

(X-1)/0.36-(0.5x+1)/0.3=1;
x=6.4