III gimnazjum

Matematyka z plusem 3

a) nie np dwa prostokąty 6cmx9 cm i 2cmx20 cm wszystkie kąty proste 
b)tak 
c) nie kwadrat i romb

Rozwiązanie 1

a)23⋅35=2⋅2⋅2⋅3⋅3⋅3⋅3⋅3=8⋅9⋅9⋅3=72⋅27=1944

a⋅103=1,2⋅105⋅103=1,2⋅105+3=1,2⋅108

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18

Matematyka z plusem 3