(1.1)2+(1.2)2+(1.3)2+(1.4)2的值是( )。
2023-06-09
A. 4.98
B. 5.49
C. 6.06
D. 6.30
参考答案:D
B. 5.49
C. 6.06
D. 6.30
参考答案:D
1.1^2+1.2^2+1.3^2+1.4^2=1.21+1.44+1.69+1.96=6.3
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2023-06-09
1.1^2+1.2^2+1.3^2+1.4^2=1.21+1.44+1.69+1.96=6.3
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