3 1 / 2 - (- 2 1 / 4) + (- 1 / 3) - 0.25 + (+ 1 / 6) The calculation is carried out by the method of breaking up terms

3 1 / 2 - (- 2 1 / 4) + (- 1 / 3) - 0.25 + (+ 1 / 6) The calculation is carried out by the method of breaking up terms


3 1 / 2 - (- 2 1 / 4) + (- 1 / 3) - 0.25 + (+ 1 / 6)
=(3+2)+(1/2+1/4-1/3-0.25+1/6)
=5+1/3
=16/3



X + 1 / 4 x = 25. What else


(1 + 1 / 4) x = 25
5 / 4 x = 25
X = 25 △ 5 / 4
x=20



1.40% x + 25% x = 130 x = 3 / 2.4-1 / 3 x = 15%


1.40%x+25%x= 130
65%x=130
x=130/0.65
x=200
2.3/4-1/3x=15%
0.75-15%=1/3x
0.6=1/3x
x=1.8