4,67-(3 5/6 - 1/3)= 2,8+1 1/3 razy 0,9= 3,6: 3/5 - 1 1/5= 0,2 :(1,6 - 2/5)= 2,8 razy 1 1/4 - 2/3 razy 0,75= (4,5 - 1,1) razy 2 - 3/4 - 1= prosze o szybką pomoc na dziś do 13:30 daje NAJ z góry dziękujętam gdzie są / to jest kreska ułamkowa
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4,67-(3 5/6 - 1/3)= 4,67 - (35/6 - 2/6) = 4,67 - 33/6 =4,67 - 5,5 = - 0,83
2,8+1 1/3 razy 0,9= 2,8 + 11/3 razy 9/10 = 2,8 + 33/10 = 28/10 + 33/10 = 31/10 = 6,1
3,6: 3/5 - 1 1/5= 36/10 razy 5/3 - 11/5 = 36/10 - 5/3 - 11/5 = 6 - 11/5 = 5 i 5/5 - 11/5 = - 5 i 6/5 = - 6 i 1/5
0,2 :(1,6 - 2/5)=2/10 :(1 i 6/10 - 2/5) = 2/10 : (1 i 6/10 - 4/10 )= 2/10 : 1 i 2/10= 2/10 razy 10/12 = 1/6
2,8 razy 1 1/4 - 2/3 razy 0,75= 2 i 8/10 razy 5/4 - 2/3 razy 75/100= 28/10razy 5/4 - 1/2 = 7/2 - 1/2 = 6/2 = 3
(4,5 - 1,1) razy 2 - 3/4 - 1= 3,4 razy 2 - 3/4 - 4/4 = 6,8 - (- 1/4) = 6 i 8/10 + 1/4 = 68/10+ 10/40 = 272/40 + 10/40 = 282/40 = 7,05
4,67 - ( 3 5/6 - 1/3) = 4,67 - ( 3 5/6 - 2/6) = 4,67 - 3 3/6 = 4,67 - 3 1/2 =
= 4,67 - 3,5 = 1,17
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2,8 + 1 1/3 *0,9 = 2,8 + (4/3)*(9/10) = 2,8 + 2*(3/5) = 2,8 + 6/5 = 2,8 + 1 1/5 =
= 2,8 + 1,2 = 4
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3,6 : 3/5 - 1 1/5 = ( 36/10) *(5/3) - 1,2 = 12/2 - 1,2 = 6 - 1,2 = 4,8
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0,2 : ( 1,6 - 2/5) = 0,2 : ( 1,6 - 0,4) = 0,2 : 1,2 = 2 : 12 = 2/12 = 1/6
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2,8 * 1 1/4 - (2/3) *0,75 = 2,8 *(5/4) - (2/3)* (3/4) = (28/10)*(5/4) - 1/2 =
= 7/2 - 1/2 = 6/2 = 3
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(4,5 - 1,1 ) * 2 - 3/4 - 1 = 3,4 *2 - 0,75 - 1 = 6,8 - 1,75 = 5,05
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