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rosnąco :
1/7
1/3
4/9
5/8
1 2/5
1 3/4
zad 2
a) 1/4-1/8+5/6
12/48 - 6/48 + 40/48 = -46/48= -23/24
b) 4/9-1/6+5/12
48/108 - 8/108+45/108= 85/108
c)2/7+1/2-10/28
8/28+14/28-10/28=12/28=3/7
d)2 2/3- 1 9/12+3 10/15
7/3-21/12+55/15=420/180-315/180+660/180=765/180=4,25
e) 5 1/2- 2 2/3 + 3 3/8
11/2-8/3+27/8=132/24-64/24+81/24=149/24=6 5/24
f) 17/4 - 2 1/10 +42/40
170/40 - 64/40 + 42/40= 148/40=3,7
1/3
4/9
5/8
1 2/5
1 3/4
a) 1/4-1/8+5/6= - ²³/₂₄
b) 4/9-1/6+5/12= 85/108
c)2/7+1/2-10/28= 3/7
d)2 2/3- 1 9/12+3 10/15= 4,25
e) 5 1/2- 2 2/3 + 3 3/8= 5/24
f) 17/4 - 2 1/10 +42/40= 3,7