Question

A) (3/5 − 2/5) . ( −7/3) + 3/15
b) 4. (−1/3) + 5/2 . 2/3
c) (3/2 : 1/4) + 7/2 - (−2/4 : 2/3) =
d) 3 + 2/5 - 3/10 . 2 =
e) (1/2+ 2/3) . (−1/3+ 1/4) : (4/2+ 5/2)
AYUDEMEN

Answer 1

A.
1/5x(-7/3)+3/15
-7/15+3/15
-4/15

B.
-4/3+10/6
-4/3+5/3
1/3

C.
12/2+7/2-(-6/8)
12/2+7/2+3/4
24/4+14/4+3/4
38/4+3/4
41/4

D.
3+2/5-6/10
3+2/5-3/5
15/5+2/5-3/5
17/5-3/5
14/5

E.
(3/6+4/6)x(-4/12+3/12):9/2
7/6x-1/12:9/2
7/72:9/2
14/648
7/324