Răspuns:
a)
[tex]0.2 \times - 1.5 = - 0.3 \times - 2.4 = 0.72 \times - 12.5 = - 9[/tex]
b)
[tex] - \frac{3}{2} \times \frac{6}{7} = - \frac{18}{14} \times \frac{8}{7} = - \frac{144}{98} \times - 2 = \frac{288}{98} [/tex]
simplificăm cu 2
[tex] \frac{288}{98} = \frac{144}{49} = 2.93[/tex]
