您好:
x-25%x=36
0.75x=36
x=36÷0.75
x=48
3/4x-3/8=0.75
3/4x=3/4+3/8
3/4x=9/8
x=9/8÷3/4
x=3/2
4/5(x-2/5)=8
x-2/5=8÷4/5
x=10-2/5
x=9.6
不明白,可以追問
如有幫助,記得采納,謝謝
祝學(xué)習(xí)進(jìn)步!
x-25%x=36 3/4x-3/8=0.75 4/5(x-2/5)=8
x-25%x=36 3/4x-3/8=0.75 4/5(x-2/5)=8
數(shù)學(xué)人氣:885 ℃時(shí)間:2020-03-20 01:24:11
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