Oblicz :
1/2 + 0,25 =
3/6 + 0,1 =
2 1/4 + 0,75 =
0,6 - 3/5=
5/2 - 0,5=
8 3/7 - 9/14 =
5/2 - 3,5 =
0,5 * 18 =
5/6 * 18 =
0,02 * 5/3 =
0,05 * (- 0,07) =
2,5 : 1 1/4 =
7/3 : 1/3 =
-7 : 0,01 =
4: 0,25 =
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Oblicz :
1/2 + 0,25 = 0,75
3/6 + 0,1 = 0,6
1/4 + 0,75 = 1
0,6 - 3/5= 0
5/2 - 0,5= 2
8 3/7 - 9/14 =
5/2 - 3,5 = -1
0,5 * 18 = 9
5/6 * 18 = 15
0,02 * 5/3 = 0,033333...
0,05 * (- 0,07) = -0,02
2,5 : 1 1/4 =
7/3 : 1/3 = 7
-7 : 0,01 = - 700
4: 0,25 = 16
1) 1/2 + 0.5 = 0.5 + 0.5 = 1
2) 3/6 + 0.1 = 3/6 + 1/10 = 15/30 + 3/30 = 18/30 = 3/5
3) 2 1/4 + 0.75 = 2 1/4 + 1/4 = 2 2/4 = 2 1/2
4) 0.6 - 3/5 = 0.6 - 6/10 = 0.6 - 0.6 = 0
5) 5/2 - 0.5 = 4 1/2 - 0.5 = 4 1/2 - 1/2 = 4
6) 0.5 * 18 = 9
7) 5/6 * 18 = 5/1 * 3 = 15
8) 0.02 * 5/3= 2/100 * 5/3 = 10/300 = 1/30
9) 0.05 * (-0.07) = - 0.0035
10) 2.5 : 1 1/4 = 2.5 : 1.25 = 2
11) 7/3 : 1/3 = 7/3 * 3/1 = 21/3 = 7
12) -7 : 0.01 = -700
13) 4 : 0.25 = 16