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【简答题】
借助计算器求出： 4 2 + 3 2 =______， 44 2 + 33 2 =______， 444 2 + 333 2 =______，…，试猜想 44… 4 2 +33… 3 2 =______．
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】How much sleep does a person need (31) the physiological bases of the need for sleep remain conjectural (猜想), rendering conclusive answers to this question impossible, much evidence has been gathered...
A.
unless
B.
however
C.
although
D.
even if
【单选题】How much sleep does a person need?【B1】the physiological bases of the need for sleep remain conjectural(猜想), rendering conclusive answers to this question impossible, much evidence has been gathered on...
A.
As
B.
Despite
C.
While
D.
Whether
【单选题】How much sleep does a person need (31) the physiological bases of the need for sleep remain conjectural (猜想), rendering conclusive answers to this question impossible, much evidence has been gathered...
A.
extend
B.
range
C.
alter
D.
rise
【单选题】小李用150元钱购买了16元一个的书包、10元一个的计算器和7元一支的钢笔寄给灾区儿童。如果他买的每一样物品数量都不相同，书包数量最多而钢笔最少，那么他买的计算器数量比钢笔多几个( )
A.
1
B.
2
C.
3
D.
4
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