In the expression above, a, b, and c are different numbers and each is one of the numbers 2, 3, or 5. What is the least possible value of the expression ?()
A.A
B.B
C.C
D.D
E.E
参考答案:B
解析:
先把繁分化简:
[*]
要使该表达式值最小,则bc取最大值15,a取最小值2。
In the expression above, a, b, and c are different numbers and each is one of the numbers 2, 3, or 5. What is the least possible value of the expression ?()
A.A
B.B
C.C
D.D
E.E
参考答案:B
解析:
先把繁分化简:
[*]
要使该表达式值最小,则bc取最大值15,a取最小值2。