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1次方程式(移行など)

Authored by Sei Komoda

Mathematics

7th Grade

Used 19+ times

1次方程式(移行など)
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6 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 3x+7=x+13x+7=x+1  
 移行すると

 3xx=1+73x-x=1+7  

 3x+x=173x+x=1-7  

 3xx=173x-x=1-7  

 3x+x=1+73x+x=1+7  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 2x7=4x+12x-7=4x+1  
移行すると

 2x4x=1+72x-4x=1+7  

 2x4x=172x-4x=1-7  

 2x+4x=1+72x+4x=1+7  

 2x+4x=172x+4x=1-7  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 x+6=3x4x+6=-3x-4  
移行すると

 x3x=46x-3x=-4-6  

 x3x=4+6x-3x=-4+6  

 x+3x=4+6x+3x=-4+6  

 x+3x=46x+3x=-4-6  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 x213=x\frac{x}{2}-\frac{1}{3}=x  
両辺に 6 をかけると

 3x2=x3x-2=x  

 3x2=6x3x-2=6x  

 2x3=x2x-3=x  

 2x3=6x2x-3=6x  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 0.4x+1.6=2.7x+0.30.4x+1.6=-2.7x+0.3  
両辺に 10 をかけると

 4x+16=27x+304x+16=-27x+30  

 40x+16=27x+340x+16=-27x+3  

 4x+16=27x+34x+16=-27x+3  

 40x+16=27x+3040x+16=-27x+30  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 2(x6)=3(x1)-2\left(x-6\right)=3\left(x-1\right)  
かっこをはずすと

 2x12=3x3-2x-12=3x-3  

 2x12=3x+3-2x-12=3x+3  

 2x+12=3x+3-2x+12=3x+3  

 2x+12=3x3-2x+12=3x-3  

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