问题标题:
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

苏斌回答:
  9x/0.7=9;9x=6.3x=0.725-3x=193x=6x=24(x-9)=4x-9=1x=10x-18-4=8x-22=8x=305.6x-4.5/3=5.55.6x-1.5=5.55.6x=7x=1.25(7-1.4)x=1.47*25.6x=2.94x=0.5253.5x-14.5=3.5-x4.5x=18x=48x-1.24*4=238x-4.96=238x=27.96...
数学推荐
热门数学推荐