x÷1.44=0.4 3.85+1.5x=6.1 6x-0.9=4.5
问题描述:
x÷1.44=0.4 3.85+1.5x=6.1 6x-0.9=4.5
x÷1.44=0.4 3.85+1.5x=6.1
6x-0.9=4.5
答
x÷1.44=0.4
x=0.4×1.44
x=0.576
3.85+1.5x=6.1
1.5x=6.1-3.85
x=15
6x-0.9=4.5
6x=4.5+0.9
x=0.5