a)-1 1/8 : (-1 1/5 * 15/16=
b)-42:(-6)-7*2
-------------------=
15:(-3):5
c) ( 2 1/10 - 1 1/2) : 3/10=
d) (-4)*(1 1/5 - 2 13/15)=
-------------------- to jest kreska ułamkowa
a takie coś 2 1/10 to dwie całości i jedna dzięsiąta
*-znak razy
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a)=
-9/8:(-6/5*15/16)=-9/8:(-90/80)=-9/8:(-9/8)=-9/8*(-8/9)=72/72=1
b)=
7-14=-7
c)=
21/10-3/2):3/10=(21/10-15/10):3/10=6/10*10/3=60/30=2
d)=
(-4)*(6/5-43/15)=(-4)*18/15-43/15)=(-4)*(-25/15)=(-4)*(-5/3)=20/3=6 2/3