Question

(a) 2³×5+3²=

(b) 5²-3-2²-1=

(c)5+4²-1=

(d)7²-4×2+3=

(E)5²+3×2-4=

(F)16÷2-1+7²=

(G)3⁴-6+2³=​

Answer 1

(a) 2³×5+3²=

8 x 5 + 3²

8 x 5 + 9

40 + 9

49

(b) 5²-3-2²-1=

25 - 3 - 2² - 1

25 - 3 - 4 - 1

22 - 4 - 1

18 - 1

17

(c)5+4²-1=

5 + 16 - 1

21 - 1

20

(d)7²-4×2+3=

49 - 4 x 2 + 3

49 - 8 + 3

41 + 3

44

(E)5²+3×2-4=

25 + 3 x 2 - 4

25 + 6 - 4

31 - 4

27

(F)16÷2-1+7²=

16 ÷ 2 - 1 + 49

8 - 1 + 49

7 + 49

56

(G)3⁴-6+2³=​

81 - 6 + 2³

81 - 6 + 81

75 + 81

156