Answer:
a. 12 - 3 + 18 ÷ 6 x 3
12 - 3 + 18 ÷ 18
12 - 3 + 1
12 - 4 = 8
b. 7 x 9 - 3 + 8
63 - 3 + 8
60 + 8 = 68
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Answer:
a. 12 - 3 + 18 ÷ 6 x 3
12 - 3 + 18 ÷ 18
12 - 3 + 1
12 - 4 = 8
b. 7 x 9 - 3 + 8
63 - 3 + 8
60 + 8 = 68