Page 80 - NUMINO Challenge_M2
P. 80
Problem solving
1 What is the greatest possible sum when Key Point
2 , 6 , 7 , 8 , and 9 are placed in the given To obtain the
greatest sum for
expression? (3-digit number)+
(2-digit number), the
hundreds place must
be the greatest digit.
+
2 What is the greatest possible result when To obtain the
greatest result, the
3 , 4 , and 5 are placed only once in the number that is
given expression? multiplied must be
the greatest and the
2^ - + number that is
subtracted must be
the smallest.
77Operations
1 What is the greatest possible sum when Key Point
2 , 6 , 7 , 8 , and 9 are placed in the given To obtain the
greatest sum for
expression? (3-digit number)+
(2-digit number), the
hundreds place must
be the greatest digit.
+
2 What is the greatest possible result when To obtain the
greatest result, the
3 , 4 , and 5 are placed only once in the number that is
given expression? multiplied must be
the greatest and the
2^ - + number that is
subtracted must be
the smallest.
77Operations
