Question
If β+β means β-β, βΓβ means β+β,
β-β means βΓ·β and βΓ·β means βΓβ, then what is the value of the following expression? 54 Γ 49 Γ· 7 + 357 β 7Solution
54 Γ 49 Γ· 7 + 357 β 7 54 + 49 Γ 7 β 357 Γ· 7 54 + 343 β 51 397 β 51= 346.
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