35-5.(x-1)=10
<=>5.(x-1)=25
<=>x-1=5
<=>x=6
\(35-5x+5=10< =>-5x=10-35-5< =>-5x=-30< =>x=6\)
35-5.(x-1)=10
<=>5.(x-1)=25
<=>x-1=5
<=>x=6
\(35-5x+5=10< =>-5x=10-35-5< =>-5x=-30< =>x=6\)
Tìm x ϵ N biết:b) 35 - 5 (x - 1) = 10 c) 24. (x - 16) = 122 d) (x2 - 10) : 5 = 3
a) x - = b) . c)
) : e) f) .
x
x
d x x x x x
3 13 2 4 3 7 2
1 3
5 25 3 5 10 15 3
4 5 1 7 2 11 1 1
3 15 1 3
5 7 6 5 5 2 3 2
35-5(x-1)=10
b) 35 – 5(x - 1) = 10
b) 35 – 5(x - 1) = 10
tính nhanh
194.12.+6.437.2+3.369.4
b] 45 mũ 2 + 45 .55
tìm x
{x-10}.35 = 35
{x-10}chia 5=5
rút gọn
1+5+5 mũ 2 + .....+ 5 mũ 100
6. 27/35 x 5/9 - 2/7 x -7/5
7. 10/13 x 13/5 + {-9/5} x 10/3
8. 100/27 x 9/20 + 40% x 5/3
9. 1,5 x 5/12 + 1/4 x 3/4
tính nhanh
194.12.+6.437.2+3.369.4
b] 45 mũ 2 + 45 .55
tìm x
{x-10}.35 = 35
{x-10}chia 5=5
rút gọn
1+5+5 mũ 2 + .....+ 5 mũ 100
giúp mình vs
a) 165-(35:x+3)*15=15
b) (1*3/10-x):(19/10-1-2/5)+4/5=1
giúp mk giải câu này nhé!!!