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不等式の性質

Authored by Mori undefined

Mathematics

10th Grade

Used 3+ times

不等式の性質
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5 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

ある数xの3倍から5を引いた数は10より小さい。

このことを不等式で表すと?

3x-5<10

3x-5>10

3x-5≦10

3x-5≧10

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

2数a,bの和は正で、かつ5以下である。

このことを不等式で表すと?

0<a+b<5

0≦a+b<5

0<a+b≦5

0≦a+b≦5

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

a<bのとき、3aと3bの大小関係は?

3a<3b

3a≦3b

3a>3b

3a≧3b

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

a<bのとき、-3aと-3bの大小関係は?

-3a<-3b

-3a≦-3b

-3a>-3b

-3a≧-3b

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

a<bのとき、4a+1と4b+1の大小関係は?

4a+1<4b+1

4a+1≦4b+1

4a+1>4b+1

4a+1≧4b+1

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