7 szkoły podstawowej

Matematyka 7

Matematyka

Matematyka 7. Ćwiczenia podstawowe

Matematyka 7. Podręcznik cz. 1

Matematyka 7. Podręcznik cz. 2

Matematyka 7. Zestawy zadań

Matematyka wokół nas 7

Matematyka z kluczem 7

Matematyka z plusem 7

Teraz egzamin ósmoklasisty. Arkusze

Teraz egzamin ósmoklasisty. Repetytorium

a) zrobione w książce b) 221​⋅(−292​)=25​⋅(−920​)=−18100​=−51810​=−595​ &nbsp;

a) −1,1+3,2=2,1 b) 221​+(−221​)=221​−221​=0

a) 4,5⋅54​+1,7=4,5⋅108​+1,7=4,5⋅0,8+1,7=3,6+1,7=5,3 &nbsp; b) −643​−0,5⋅2,3=−610075​−0,5⋅2,3=−610075​−1,15=−6,75−1,15=−7,90

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