
初三 变数法(variation)测验模拟题
Authored by 陈玟全 陈玟全
Mathematics
9th Grade
Used 104+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
若y依x而正变,y=8,则x=16.求y的值当x=3.
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
若 y 依x而反变,y=5,则x=2.求y的值当x=20.
2
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
若y依x和z而正变,y=8,x=2,z=1.求y的值当x=3,z=2.
96
6
24
12
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
若y依x而正变,依z而反变,y=6,x=2,z=3.求 x 的值当y=27,z=2.
13.5
54
27
6
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
若y依x和z而反变,y=1,x=3,z=4.求z的值当x=1,y=6.
2
36
72
24
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