September 2018 1 39 Report

Matematyka 6

Zeszyt ćwiczeń.

ćw. 13/ str. 76
a) 2 + (- 6) =
- 21 + 17=
- 3 + (-8)=
7 + (-6) + 12 =
15+ (-2) + (- 11) =


b) 8 - 12 =
- 14 - 6 =
- 24 - 47=
7 - (-8)=
- 15 - ( -6) =


c) 6 + (-8) - 4 =
15 + (-7) - (-2) =
5 - 12 - (-27) =
- 5 - (-13) + ( - 11) =
- 14 - 6 + (-18)=


ćw. 16 str. 77
a) 8 + ( - 6,7)=
- 12 + ( 5,3) =
5,6 + ( - 3,2) =
- 8,1 + ( - 7,3)=
- 2,1 + (- 4,25)=


b) - 7,12 + 9,36 =
2,5 + (4,3) =
9 + (- 3 1/4) =
- 5 1/7 + ( - 2 3/7) =
8 5/9 + ( - 3 1/9)=


c) - 4 3/8 + ( 5 7/8) =
- 6 1/4 + 8 3/ 4=
- 2 1/6 + ( - 4 5/6) =
9 1/6 + ( - 5 5/6) =
- 7 2/9 + 5 5/9=


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