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4 5/8
2.(1/2)^3 +1 1/2:3/4=
1/8+3/2:3/4=1/8+3/2*4/3=
1/8+2=2 1/8
3.5/7*1 3/4- (1/2)^2=5/7*7/4-1/4=
5/4-1/4=1
4.3 1/4-1 1/2+2 7/8=
3 2/8-1 4/8+2 7/8=
1 6/8+2 7/8=3 13/8=4 5/8
Liczę na naj ;)
15/4*12/5 - 4 3/8 = 9 - 4 3/8 = 8 8/8-4 3/8 = 4 5/8
(1/2)do potęgi 3 +1 1/2 : 3/4 =
1/8+1 1/2:3/4 = 1/8+3/2:3/4 = 1/8 + 3/2*4/3 = 1/8+2 = 2 1/8
5/7*1 3/4 - (1/2) d potęgi 2 =
5/7*7/4-1/4 = 5/4-1/4 = 4/4 = 1
3 1/4 - 1 1/2 +2 7/8 =
13/4-3/2+23/8 = 26/8-12/8+23/8 = 14/8+23/8 = 37/8 = 4 5/8