解方程: 9x/0.7=9; 25-3x=19; 4(x-9)=4; x-18=4=8; 5.6x-4.5/3=5.5; (7-1.2)x=1.47*23.5x-14.5=3.5-x列:8x-1.24*4=23;1.24*4+3.2=8x8.16=8xx=1.02
问题描述:
解方程: 9x/0.7=9; 25-3x=19; 4(x-9)=4; x-18=4=8; 5.6x-4.5/3=5.5; (7-1.2)x=1.47*2
3.5x-14.5=3.5-x
列:
8x-1.24*4=23;
1.24*4+3.2=8x
8.16=8x
x=1.02
答