Temat: Dodawanie i odejmowanie !
Zadanie 6 Uzupełnij:
a) -16+........=32
16+..............= -16
16+.............= -32
b) - 2,5+...........= -10
- 2,5+...................=10
2,5+....................=-2,5
Zadani 8.str 69
c) - 1/3+...........=0
1/3+.................= -1
-1/3+..............=1/3
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a) -16+48=32
16+(-32)= -16
16+(-48)= -32
b) - 2,5+(-7,5)= -10
- 2,5+12,5=10
2,5+(-5)-2,5
Zadani 8.str 69
c) - 1/3+1/3=0
1/3+(- 1 1/3)= -1
-1/3+1/9=1/3