Which two signs should be interchanged in the following equation to make it correct:
640 ÷ 80 + 6 × 20 – 10 = 58
Which two signs should be interchanged in the following equation to make it correct ?
132 × 11 + 8 − 3 ÷ 12 = −16
What will be the value of expression if the signs ‘(+)’ and ‘(×)’ are interchanged?
63 + 7 ÷ 21 × 14 – 24 ÷ 6
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