-2 razy (-4) razy (-3)
2 razy (-3) razy (-2)
4 razy (-3) razy (-1)
7 całych i jedna druga - 12
trzy czwarte - siedem ósmych
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a) (-2)*(-4)*(-3)=-24
b) 2*(-3)*(-2)=12
c) 4*(-3)*(-1)=12
d) 7 1/2-12=-5 1/2
3/4-7/8=6/8-7/8=-1/8
-2 * (-4) * (-3) = -24
2 * (-3) * (-2) = 12
4 * (-3) * (-1) = 12
7 jedna druga - 12 = 5 jedna druga
trzy czwarte - siedem ósmych = sześć ósmych - siedem ósmych = -jedna ósma