Kinaka09viz
Rozwiązane

2 1/3-1 2/9=? 2 1/3-(-1 2/9)=? -2 1/3-1 2/9=? -2 1/3-(-1 2/9)=?
POMOCY!!!

Odpowiedź :

XxxPOLSKAxxXviz

a)

2_1/3 - 1_2/9 = 2_3/9 - 1_2/9 = 1_1/9

b)

2_1/3 - (-1_2/9) = 2_3/9 + 1_2/9 = 3_5/9

c)

-2_1/3 - 1_2/9 = -2_3/9 - 1_2/9 = -3_1/9

d)

-2_1/3 - (-1_2/9) = -2_3/9 + 1_2/9 = -1_1/9

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