4. Simplify:
a.25-[20-{8/4-(15-25/5)/2}]
b. 45/
{8-(-2 of 5+3)
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Answered by
2
Answer:
.25-[20-{8/4-(15-25/5)/2}]
=2
45/{8-(-2 of 5+3)
2.14285714
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