题目内容
-If a=3, b=4, what's the answer to the problem, a+2ab+1=?
-The answer is ________.
[ ]
A.twenty-eight
B.twenty-eighth
C.thirteen
D.eighteenth
答案:A
解析:
解析:
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思路分析:该题考查数学计算. a+2ab+1=3+2×3×4+1=28. |
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