February 2019 0 13 Report
Zad . 1
Uzupełnij:
1) x-16= 29
| |
| |
... | | ...
v v
x = ...

2) 14+ x = 11
| |
| |
... | | ...
v v
x= .....
3) x+17=20
| |
| |
| |
v v
x= ...

Zad 2.
Rozwiąż równania.
-6 + x = 9 | + 6

x = 15

x-28= -32


4+ x = 3
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