Question

Oblicz:
a) 53 - 62 =
b) 31 - ( -12) =
c) -13 - 12 =

Answer 1

53-62=-9
31+12=43  2 minusy kolo siebie dają +
-13-12=-25

Answer 2

A) 53- 62 = (-9)
b) 31 - (-12) = 31 + 12 = 43
c) -13 -12 = - 25 :P
Licze na Naj :D