Question

6) 16, 09 -(-8,4).(-)-(-8,7".
12 =

Answer 1

16.09 - (-8.4)×(-7/12) - 3.7² 1) -8.4 = - 8 4/10 = -8 2/5 = -42/5 2) -42/5 × (-7/12) = (42×7)/(5×12) = (7×7)/(5×2) = 49/10 = 4.9 3) (-37/10)² = 1369/100 = 13.69 4) 16.09 - 4.9 - 13.69 = -2.5 Ответ: -2.5

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Answer 2

Ответ:

-8/4 · (-7/12) = -8 4/10 · (-7/12) = -84/10 · (-7/12) = 49/10 = 4,9

2) -3,7 · (-3,7) = 13,69

3) 16,09 - 4,9 = 11,19

4) 11,19 - 13,69 = 11,19 + (-13,69) = -(13,69 - 11,19) = -2,5