Question

Calcule:

a) 15-(3-2) + (74)
b) 25-(8-5 + 3) - (12-5-8)
c) (10-2)-3+ (8 + 7-5)
d) (9-4+2)-1 + ( 9 +5 - 3)
e) 18 - [2 + (7-3-8) - 101
f) 4+ [-3 + (-5 + 9 -2)]
g) -6 -(10 + (-8-3) -1]
h) -8-1-2-(-12) + 3]
i) 25-{-2 + (6 +(4-1)]​

Answer 1

a) 15-(3-2)+(74) b)25-(8-5+3)-(12-5-8)

15-1+74 25-6-7-8

14+74 19-7-8

=88 12-8

=3