Oblicz:
1) 6+(4 1/2-3 1/3)=
2)(5+2 1/4)-(1/2+1 3/4)
3)9*1/3-4 2/5 * 5/11=
4)4:(2 1/4 - 1 8/4)+3 1/2
; )
1) 6+(4 1/2-3 1/3)= 6 + (4 3/6 - 3 2/6) = 6 + 1 1/6 = 7 1/6
2)(5+2 1/4)-(1/2+1 3/4) = 7 1/4 - (2/4 + 1 3/4) = 7 1/4 - 1 5/4 = 7 1/4 - 2 1/4 = 5
3)9*1/3-4 2/5 * 5/11= 3 - 22/5 * 5/11 = 3 - 2 = 1
4)4:(2 1/4 - 1 8/4)+3 1/2 = 4 : (2 1/4 - 3) + 3 1/2 = 4 : (-3/4) + 3 1/2=
4 *(-4/3) + 3 1/2 = -16/3 + 3 1/2 = -5 1/3 + 3 1/2 = - 5 2/6 + 3 3/6 =
-(4 8/6 - 3 3/6) = - 1 5/6
6+(4 1/2-3 1/3)=6+1 1/6+7 1/6
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1) 6+(4 1/2-3 1/3)= 6 + (4 3/6 - 3 2/6) = 6 + 1 1/6 = 7 1/6
2)(5+2 1/4)-(1/2+1 3/4) = 7 1/4 - (2/4 + 1 3/4) = 7 1/4 - 1 5/4 = 7 1/4 - 2 1/4 = 5
3)9*1/3-4 2/5 * 5/11= 3 - 22/5 * 5/11 = 3 - 2 = 1
4)4:(2 1/4 - 1 8/4)+3 1/2 = 4 : (2 1/4 - 3) + 3 1/2 = 4 : (-3/4) + 3 1/2=
4 *(-4/3) + 3 1/2 = -16/3 + 3 1/2 = -5 1/3 + 3 1/2 = - 5 2/6 + 3 3/6 =
-(4 8/6 - 3 3/6) = - 1 5/6
6+(4 1/2-3 1/3)=6+1 1/6+7 1/6