Q16:
The sum of three integers is 40. The largest integer is 3 times the middle integer, and the smallest integer is 23 less than the largest integer. What is the product of the three integers?
A. 1,104
B. 972
C. 672
D. 294
E. 192
很简单的问题,但计算来计算去老是不对,帮帮忙,谢谢~
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不是牛牛,但是这题我想我还能做对:
设中间的数为m
m+3m+3m-23=40 ===> m=9
然后9*27*4=972
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