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x+x= 4
2+2=4
2+2+2+2=8 8- 4 = 4
słoik = 2
b)
x+x+x+x=+3 od 2 worków
4x- 2x = 2 x
x+x = 3
1,5 = 1,5 = 3
1,5 * 4 = 6
worek = 3
2
29- 8 = 21
21 : 3 = 7
ta liczba to 7
3
48 : 2 = 24
24 - 4 = 20
Ta licba to 20
Myślę że pomogłam
:)
Liczę na naj