4,8+1/3*(1/2-0,6)=
(1-7/9)*(5,2-0,7)=
123:10+0,2*6,1=
(6,5-4,7):(4-2i1/5)=
(6,25-2i1/2):2i1/7-1=
PROSZE O OBLICZENIA
= 4,8 + 1/3*( 0,5 - 0,6) =
= 4,8 + 1/3*( -0,1)=
= 4,8 + 1/3*(-1/10) =
= 4,8 - 1/30 =
= 48/10 - 1/30 =
= 144/30 - 1/30 =
= 143/30 =
= 4 i 23/30
= ( 9/9 - 7/9)*4,5 =
= (2/9)* (45/10) =
= 1
= 12,3 + 1,22 =
= 13,52
=( 1,8) : ( 1 i 4/5)=
= (1,8) : ( 1,8) =
= ( 6,25 - 2,5) : (15/7) -1 =
= ( 3,75) : (15/7) -1 =
= (3 i 3/4) *(7/15) -1 =
= (15/4)*(7/15) -1 =
= 7/4 - 4/4 =
= 3/4
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4,8+1/3*(1/2-0,6)=
= 4,8 + 1/3*( 0,5 - 0,6) =
= 4,8 + 1/3*( -0,1)=
= 4,8 + 1/3*(-1/10) =
= 4,8 - 1/30 =
= 48/10 - 1/30 =
= 144/30 - 1/30 =
= 143/30 =
= 4 i 23/30
(1-7/9)*(5,2-0,7)=
= ( 9/9 - 7/9)*4,5 =
= (2/9)* (45/10) =
= 1
123:10+0,2*6,1=
= 12,3 + 1,22 =
= 13,52
(6,5-4,7):(4-2i1/5)=
=( 1,8) : ( 1 i 4/5)=
= (1,8) : ( 1,8) =
= 1
(6,25-2i1/2):2i1/7-1=
= ( 6,25 - 2,5) : (15/7) -1 =
= ( 3,75) : (15/7) -1 =
= (3 i 3/4) *(7/15) -1 =
= (15/4)*(7/15) -1 =
= 7/4 - 4/4 =
= 3/4