Question

2.
Simplify.
a) 45 - {28 – (15 + 3)} ÷2
C) 64 + {40 ÷ (4 – 7 + 8)} - 10​

Answer 1

Answer:

a)

Step-by-step explanation:

a)45-{28-18}÷2

45-10÷2

45-5

=40

c)

64 + {40 ÷ (4 – 7 + 8)} - 10

64+{40÷10}-10

64+4-10

68-10

=58

Answer 2

Step-by-step explanation:

Answer (a) 45-{28-(15+3)}÷2

45-(28-18)÷2

45-10÷2

45-10×1/2

45-5

40.

Answer ( c) 64+{40÷(4-7+8)}-10

64+(40÷5)-10

64+40×1/5-10

64+8-18

72-18

54.