
不等式の性質
Authored by Mori undefined
Mathematics
10th Grade
Used 3+ times

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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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