Odpowiedź:
[tex]( - 7) \times 2 = - 14 \\ ( - 8) \times 9 = - 72 \\ ( - 21) \div ( - 7) = 3 \\ 35 \div ( - 7) = - 5 \\ ( - 14) + ( - 2) = - 12 \\ ( - 7) + ( - 8) = - 15 \\ 12 - ( - 4) = 16 \\ ( - 8) - ( - 7) = - 1 \\ ( - 10) + 8 = - 2 \\ \frac{2}{3} \times 6 = \frac{12}{3} = 4 \\ - \frac{3}{4} \times \frac{4}{9} = - \frac{12}{36} = - \frac{1}{3} \\ \frac{2}{3} \div \frac{1}{4} = \frac{2}{3} \times \frac{4}{1} = \frac{8}{3} = 2 \frac{2}{3} \\ {( - 2)}^{2} = ( - 2) \times ( - 2) = 4 \\ { (- 0.1)}^{3} = ( - 0.1) \times ( - 0.1) \times ( - 0.1) = - 0.1[/tex]
