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> 已知,,,若,(a、b为正整数),请推测a+b=[]A.69B.70C.71D.72-九年级数学
已知,,,若,(a、b为正整数),请推测a+b=[]A.69B.70C.71D.72-九年级数学
题目简介
已知,,,若,(a、b为正整数),请推测a+b=[]A.69B.70C.71D.72-九年级数学
题目详情
已知
,
,
,若
,(a、b为正整数),请推测a +b =
[ ]
A.69
B.70
C. 71
D. 72
题型:单选题
难度:中档
来源:期末题
答案
C
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题目简介
已知,,,若,(a、b为正整数),请推测a+b=[]A.69B.70C.71D.72-九年级数学
题目详情
B.70
C. 71
D. 72
答案