1)

1. 4a+5a=

2. 13a-2a=

3. - 3a+4a=

4.-7a-6a=

5.3a-a

6. a+8a=

2)

1. 4b+5+3b-3b-3=

2. b-4+5b-7=

3.-7b-7 + (b+7) =

4. (2b-4) - (3b-9) =

5.7b+3 (b-1) =

6.4b-2 (b+3) =

Question

Математика

Надюша

16 марта, 00:26

1)

1. 4a+5a=

2. 13a-2a=

3. - 3a+4a=

4.-7a-6a=

5.3a-a

6. a+8a=

2)

1. 4b+5+3b-3b-3=

2. b-4+5b-7=

3.-7b-7 + (b+7) =

4. (2b-4) - (3b-9) =

5.7b+3 (b-1) =

6.4b-2 (b+3) =

+5

Ответы (1)

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Доната · Answer 1

1)

1.4a+5a = 9 а

2. 13a-2a=11 а

3. - 3a+4a=1 а

4.-7a-6a=-13 а

5.3a-a=2 а

6. a+8a=9 а

2)

1. 4b+5+3b-3b-3=4b+2

2. b-4+5b-7=6b-11

3.-7b-7 + (b+7) =

4. (2b-4) - (3b-9) =

5.7b+3 (b-1) =

6.4b-2 (b+3) =

1)1. 4a+5a=2. 13a-2a=3. - 3a+4a=4.-7a-6a=5.3a-a6. a+8a=2)1. 4b+5+3b-3b-3=2. b-4+5b-7=3.-7b-7 + (b+7) =4. (2b-4) - (3b-9) =5.7b+3 (b-1) =6.4b-2 (b+3) =

1)

1. 4a+5a=

2. 13a-2a=

3. - 3a+4a=

4.-7a-6a=

5.3a-a

6. a+8a=

2)

1. 4b+5+3b-3b-3=

2. b-4+5b-7=

3.-7b-7 + (b+7) =

4. (2b-4) - (3b-9) =

5.7b+3 (b-1) =

6.4b-2 (b+3) =