cw 8 str 34 matematyka podręcznik 1 gimrazjum A) (2 3/5-1 1/3)*(2.8-3.7) = B) (3 5/7-4 1/2)*(1.99-2.06)=
A) 1 4/15* (-0,9)=- 57/50=-1 7/50
B) (-11/14)* (- 0,07)=11/200
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A) 1 4/15* (-0,9)=- 57/50=-1 7/50
B) (-11/14)* (- 0,07)=11/200