`{5/7 xx (1/2)} + { 5/7 xx (-5/10)}`

1/7 xx 1/3 + 1/5 xx 10/3 - 5/6

7/5 xx((-3)/8) + 3/4 xx 7/5

Find (1)/(3)xx (-5)/(7) xx (-21)/(10)

The value of (5 1/4 div 3/7 of 1/2)xx(5 1/4xx 3/7 div 1/2) div (5 1/4 div 3/7 xx 1/2) is :- (5 1/4 div 3/7 of 1/2)xx(5 1/4xx 3/7 div 1/2) div (5 1/4 div 3/7 xx 1/2) का मान है :

2/5 xx (-3)/7 + 1/(14) xx 2/5

2/5 xx (-3)/7 - 1/14 -3/7xx 3/5

{(7)/(5)xx((-3)/(12))}+{(7)/(5)xx(5)/(12)}

Which out of the following are expressions with numbers only? (a) y + 3 (b) (7 xx 20) – 82 (c) 5 (21 - 7) + 7 xx 2 (d) 5 (e) 3x (f) 5-5n (g) (7 xx 20) - (5 xx 10) - 45+ p

Name the property of multiplication shown by each of the following statements: (i) (-12)/(5) xx (3)/(4)=(3)/(4)xx (-12)/(5) (ii) (-8)/(15) xx 1=(-8)/(15) (iii) ((-2)/(3) xx (7)/(8)) xx (-5)/(7) = (-2)/(3) xx ((7)/(8) xx (-5)/(7)) (iv) (-2)/(3) xx 0=0 (v) (2)/(5) xx ((-4)/(5) +(-3)/(10)) = ((2)/(5) xx (-4)/(5)) +((2)/(5)xx (-3)/(10))