cat de urgent se poate dau corona
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Răspuns:
1. [7×(14-14)÷2]^2=(7×0÷2)^2=0
2. (100-64)÷6-2+1=36÷6÷2+1=3+1=4
3. (17-15)×2^3-2^2×3=2×2^3-2^2×3=2^4-2^2×3=(2^2-3)×2^2=(4-3)×4=1×4=4