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中22章文字式2

中22章文字式2

Assessment

Presentation

Mathematics

6th Grade

Practice Problem

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Created by

Moeh Mishima

Used 4+ times

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10 Slides • 36 Questions

1

文字式2

By Moeh Mishima

2

まずは単語を覚えましょう〜

項は記号で結ばれてるもの、係数は数字の部分

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Multiple Select

4x+y4x+y の項は?全部答えてね。

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4x

2

4

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y

4

+1

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5

Multiple Select

7x2y7x-2y の項は?全部答えてね。

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7

2

7x

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2y

4

-2y

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Fill in the Blanks

Type answer...

7

Multiple Select

x+23y+5-x+\frac{2}{3}y+5 の項は?全部答えてね。

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2/3

2

5

3

2/3y

4

-x

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Fill in the Blanks

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9

Multiple Select

5ab4135a-\frac{b}{4}-\frac{1}{3} の項は?全部答えてね。

1

-1/3

2

-1/4

3

5a

4

-b/4

10

Fill in the Blanks

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11

⭕️ 4x
⭕️2x+1
⭕️ 5x+7x

累乗や他の文字があっては1次式にはなりません。

文字が1タイプしかない=1次式

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前回の復習

足し算と引き算は同じ種類の文字でしよう


❌ x+y=xy   ⭕️ x+y=x+y

❌ x+x+y=xxy   ⭕️ 2x+y

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17

1次式同士を+、ーできる!

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22

同じように…

マイナスの引き算のとき

1次式の引き算は注意!

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27

文字の掛け算は普通!

数字は数字と、文字は文字と掛け算する

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1次式の掛け算は分配法則

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39

逆数をとって✖️に変える 

文字の割り算は分数で計算

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40

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41

Draw

45x÷10\frac{4}{5}x\div10

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43

Draw

35y÷(215)\frac{3}{5}y\div\left(-\frac{2}{15}\right)

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1次式の➗も必ず✖️に戻す!

分配法則も忘れずに

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文字式2

By Moeh Mishima

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