answer:
a) 36
b) 64
c) 14
d) 2
solution:
a)9 x 4= 36
b) 25 + 25 + 7 + 7 = 64
c) 8 + 8 = 16, 44-16 = 28, 28/2 = 14
d) 10 + 10 = 20, 24-20 = 4, 4/2 = 2
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