Current location - Training Enrollment Network - Mathematics courses - Golden sun college entrance examination round review AB rolling unit test paper mathematical answers
Golden sun college entrance examination round review AB rolling unit test paper mathematical answers
Unit 1 1 series comprehensive test paper a

Multiple choice question: DCBADC

Fill in the blanks: 32 2 1/8 2

Answer the question:

10 、( 1)bn = 2/n(n+ 1)2)t 10 = 20/ 1 1

When 1 1, (1)d=-4 (2)n=6, there is a maximum value of 78.

12、( 1)an= 1/(2^n)(2)sn=(n- 1)×2^(n+ 1)+2)