Question

30p. 4. Calculati
a) - 4 - - 51 + 2 + 3) - 16-15
b) 1 - [(-4) - 6.(-2) + (-3-5): 2] + 15 : (-5)
c)[(-2) – 10(-5)+ 2.(-10 + 10:2) (-10)

Answer 1

Răspuns:

4. a) 4-5+5-9=-5

b)1-[(-4)+12+(-8):2]+15:(-5)=2+15:(-5)=-3,4

c)[8-10 x 25+2 x (-5)] x (-10)=242 x (-10)=-2420

Answer 2

Răspuns:

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