wykonaj działania:
a) -4*(2 1/8)=
b) -3 1/7 : 11 =
c) 2 1/4 : ( -1 1/2)=
d) -1,21 + 5,1 =
e) -3,24 * (-0,2)=
a) -4*(2 1/8)=-4*17/8=-68/8=-8.5b) -3 1/7 : 11 =-22/6*1/11=-22/66=-1/3c) 2 1/4 : ( -1 1/2)=9/4:(-3/2)=9/4*(-2/3)=-18/12=-1.5d) -1,21 + 5,1 =3.89e) -3,24 * (-0,2)=-324/100*(-1/5)=324/500=81/125
a) -10.5b) 31
- ---
77
c) 21 - ---- 22d) -3,89
e) 0,648
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a) -4*(2 1/8)=-4*17/8=-68/8=-8.5
b) -3 1/7 : 11 =-22/6*1/11=-22/66=-1/3
c) 2 1/4 : ( -1 1/2)=9/4:(-3/2)=9/4*(-2/3)=-18/12=-1.5
d) -1,21 + 5,1 =3.89
e) -3,24 * (-0,2)=-324/100*(-1/5)=324/500=81/125
a) -10.5
b)
31
- ---
77
c) 21
- ----
22
d) -3,89
e) 0,648