Question

Calculeaza [(0,1²+0,2²+0,3²):7+8:100]×10-1,25°


va rog dau coroana​

Answer 1

Răspuns:

0

Explicație pas cu pas:

$\Big[(0,1^{2} +0,2^{2} + 0,3^{2} ):7 + 8:100\Big] \times 10 - 1,25^{0} = \\ = \Big[\Big( \frac{1}{100} + \frac{4}{100} + \frac{9}{100} \Big):7 + \frac{8}{100} \Big] \times 10 - 1 \\ = \Big( \frac{14}{7 \times 100} + \frac{8}{100}\Big) \times 10 - 1 = \frac{2 + 8}{100} \times 10 - 1 \\ = \frac{10}{100} \times 10 - 1 = 1 - 1 = \bf 0$

Answer 2

[(0,1²+0,2²+0,3²):7 + 8:100] · 10 - 1,25°= [(0,01+0,04+0,09):7+0,08] · 10 -1

= (0,14:7+0,08)· 10 -1=(0,02+0,08)· 10 -1 = 0,1· 10 - 1= 1 - 1 = 0