Question

va rog repede va rog frumos
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Answer 1

Răspuns:

a)

$0.2 \times - 1.5 = - 0.3 \times - 2.4 = 0.72 \times - 12.5 = - 9$

b)

$- \frac{3}{2} \times \frac{6}{7} = - \frac{18}{14} \times \frac{8}{7} = - \frac{144}{98} \times - 2 = \frac{288}{98}$

simplificăm cu 2

$\frac{288}{98} = \frac{144}{49} = 2.93$