Page 102 - NUMINO Challenge_B2
P. 102
Problem solving Key Points
1 Find the number of shortest paths from the Exit
entrance to the exit.
Exit Entrance
Entrance
2 Figure A shows the seating arrangement of a Use lines to
science lab. Two desks are pushed together, as represent paths.
shown in figure B. Find the number of shortest
paths from point to the entrance for both
seating arrangements.
Entrance Entrance
Figure A Figure B
99Number of Outcomes
1 Find the number of shortest paths from the Exit
entrance to the exit.
Exit Entrance
Entrance
2 Figure A shows the seating arrangement of a Use lines to
science lab. Two desks are pushed together, as represent paths.
shown in figure B. Find the number of shortest
paths from point to the entrance for both
seating arrangements.
Entrance Entrance
Figure A Figure B
99Number of Outcomes
