III gimnazjum

Matematyka wokół nas 3

M=32​−(−21​)=64​+63​=67​ Y=32​+191​=96​+191​=197​

a)(65​+31​):(232​−1,75)=1113​ (65​+31​):(232​−1,75)=(65​+62​): (232​−143​)=67​:(2128​−1129​)=

a) 23+33+43+53=8+27+64+125=224

8501070​≈1,3

1,76kg=176dag