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प्रश्न
Find the value of (30 + 4−1) × 22.
उत्तर
(30 + 4−1) × 22
=`(1+1/4^1)×4`
= `(1+1/4)×4`
= `((4+1)/4)xx4`
=`(5/4)×4`
= 5
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