Question

(20+9)+3=
40+(10+60)=
(50+20)+11=
5+(8+5)=
18+(12+12)=
10+(9+7)=
(9+9)+17=
(6+8)+30=
25+(60+40)=
(34+16)+5=
ME AJUDEM​

Answer 1

a) (20 + 9) + 3

29 + 3

32

b) 40 + (10 + 60)

40 + 70

110

c) (50 + 20) + 11

70 + 11

81

d) 5 + (8 + 5)

5 + 13

18

e) 18 + (12 + 12)

18 + 24

42

f) 10 + (9 + 7)

10 + 16

26

g) (9 + 9) + 17

18 + 17

35

h) (6 + 8) + 30

14 + 30

44

i) 25 + (60 + 40)

25 + 100

125

j) (34 + 16) + 5

50 + 5

55

Answer 2

•(20+9)+3=
29 + 3=
32
•40+(10+60)=
40+70=
110
•(50+20)+11=
70+11=
81
•5+(8+5)=
5+13=
18
•18+(12+12)=
18+24=
42
•10+(9+7)=
10+16=
26
•(9+9)+17=
18+17=
35
•(6+8)+30=
14+30=
44
•25+(60+40)=
25+100=
125
•(34+16)+5=
50+5=
55