Question
What will come in the place of the question mark (?) in
the following equation if β+β and β-β are interchanged and βxβ and βΓ·β are interchanged? 163 Γ· 3 + 147 Γ 7 β 1 =?Solution
163 Γ· 3 + 147 Γ 7 β 1 =? 163 x 3 β 147 Γ· 7 + 1 163 x 3 β 21 + 1 489 β 21 + 1 468 + 1 = 469
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