Question

2.60 wykonaj działania.
-12,84:(-4)-13½ :(-27)

1,6 * (-5/8)+(-2,4):0,12+41

Answer 1

-12,84:(-4) - 13 1/2 :(-27) = 3,21 - 27/2 * (- 1/27) = 3,21 + 1/2 = 3,21 + 0,5 = 3,71

1,6 * (-5/8)+(-2,4):0,12+41 =8/5*(-5/8) + (-12/5) : 12/100 + 41 =
= - 1 - 12/5 * 100/12 + 41 = -1 - 20 + 41 = -21 + 41 = 20