798+10570/35 187*99 (1/8+3/4)*(1-1/3) 解方程3(x-1)=9 8.2-3/5x=4 0.5x+6=18 共六道
问题描述:
798+10570/35 187*99 (1/8+3/4)*(1-1/3) 解方程3(x-1)=9 8.2-3/5x=4 0.5x+6=18 共六道
答
“浪漫的八小戒”您好,很高兴为您解答!
798+10570/35
=798+302
=1100
187*99
=187×100-187
=18700-187
=18513
(1/8+3/4)*(1-1/3)
=7/8×2/3
=7/12
3(x-1)=9
3x-3=9
3x=12
x=4
8.2-3/5x=4
3/5x=4.2
x=4.2÷0.6
x=7
0.5x+6=18
0.5x=12
x=12÷0.5
x=24