Szczegółowe wyjaśnienie:
1\2 × 2²-7×(-2)+2= 1/2×4-(-14)+2= 1/2×4+14+2=2+16=18
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Szczegółowe wyjaśnienie:
1\2 × 2²-7×(-2)+2= 1/2×4-(-14)+2= 1/2×4+14+2=2+16=18