a) 5,75 - (-2 1/6 )=
b) - 3 1/2 - 4,4 =
c) - 7 2/3 + 3,5 =
d) - 4,7 - (-3 3/8 ) =
e) 7 - 4 2/7 =
f) 11 2/5 + 4 1/4 =
g) 4 3/8 - 1 1/2 =
h) 3/8 * 20 * 5 1/3=
i) 4 2/5 * 5/11=
j) 4 2/3 : 1 3/4=
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a) 5,75 - (-2 1/6 )=
5 i 3/4 + 2 i 1/6 =
5 i 9/12 + 2 i 2/12 =
7 i 11/12
b) - 3 1/2 - 4,4 =
- 3,5 - 4,4 =
- 7,9
c) - 7 2/3 + 3,5 =
- 7 i 2/3 + 3 i 1/2 =
- 7 i 4/6 + 3 i 3/6 =
- 4 i 1/6
d) - 4,7 - (-3 3/8 ) =
- 4 i 7/10 + 3 i 3/8 =
- 4 i 28/40 + 3 i 15/40 =
- 1 i 13/40
e) 7 - 4 2/7 =
6 i 7/7 - 4 i 2/7 =
2 i 5/7
f) 11 2/5 + 4 1/4 =
11 i 8/20 + 4 i 5/20 =
15 i 13/20
g) 4 3/8 - 1 1/2 =
4 i 3/8 - 1 i 4/8 =
3 i 11/8 - 1 i 4/8=
2 i 7/8
h) 3/8 * 20 * 5 1/3=
3/8 * 20 * 16/3 =
40
i) 4 2/5 * 5/11=
22/5 * 5/11=
2
j) 4 2/3 : 1 3/4=
14/3 : 7/4=
14/3 * 4/7=
8/3= 2 i 2/3