write the result of the valid formulae given below. Put a cross (x) if the formula is invalid
(1) 18/5 =
(2) =20+80*5
(3) 3-16/4
(4) =2^4+9-8
(5) =(12+2-3^4)*5
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Answer:
1=✓
2=✓
3=
4=✓
5=✓
Explanation:
which I have left they are wrong
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