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Genelynjubert29go
Answered

exercise 3

1.7½÷1⅞=
2.4½÷1⅚=
3.6½÷2¾=
4.2½÷1⅔=
5.3⅗÷1⅘=


please another​

Sagot :

NCTworldgo

Answer:

1. 7 1/2 ÷ 1 7/8

7×2+1/2 ÷ 1×8+7/8

15/2 ÷ 15/8

15/2 × 8/15

120/30 ÷ 30/30

= 4

2. 4 1/2 ÷ 1 5/6

4×2+1/2 ÷ 1×6+5/6

9/2 ÷ 11/6

9/2 × 6/11

54/22 ÷ 2/2

= 27/2 or 2 5/11

3. 6 1/2 ÷ 2 3/4

6×2+1/2 ÷ 2×4+3/4

13/2 ÷ 11/4

13/2 × 4/11

52/22 ÷ 2/2

= 26/11 or 2 4/11

4. 2 1/2 ÷ 1 2/3

2×2+1/2 ÷ 1×3+2/3

5/2 ÷ 5/3

5/2 × 3/5

15/10 ÷ 5/5

= 3/2 or 1 1/2

5. 3 3/5 ÷ 1 4/5

3×5+3/5 ÷ 1×5+4/5

18/5 ÷ 9/5

18/5 × 5/9

90/45 ÷ 45/45

= 2

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