Question

calcula
a) 1+5(6-2)
b) 5.9+5.(8-5)
c)15:3+5(8-5
d) 56-3+5(35-5)
e)15+7.(9-6)+12
f)3.(4+5)+2(9-3)
g)8.(12+7)-3.5
h) (12-8).2+23.7

Answer 1

a 1+5(6-2) b. 5.9+5.(8-5)
1 +5.4 4 5+5.3
1 + 20 45-15
21. 35

c 15:5+5(8-5) d. 56-3+5(35-5)
3 + 5 . 3 56-3+5.30
3+15 56-3+150
18. 53 + 150
203

e 15+7(9-6)+12 f 3(4+5)+2(9-3)
15+7.3+12 3.9 +2.6
15+21+12 18+12
36+12 30
48

g 8(12+7)-3.5 h. (12-8)2+23.7
8.19-15 4.2+161
152-15 8+161
137 169