isi 1-5 cepet ya pake jalannn

semoga bermanfaat ya...!!!

1. 1 1/3 + 2 1/4

4/3 + 9/4

4×4/3×4 + 9×3/4×3

16/12 + 27/12

43/12

3 7/12


2. 6 - 2 3/4

6/1 - 11/4

6×4/1×4 - 11×1/4×1

24/4 - 11/4

13/4

3 1/4 (c)


3. 4/4+5

4/9 (a)


4. 30% + 0,25 + 1/4

30/100 + 25/100 + 1/4

55/100 + 1/4

55×4/100×4 + 1×100/4×100

220/400 + 100/400

320÷10/400÷10

32÷8/40÷8

4/5

0,8 (A)


5. 1/8 ÷ 2

1/8 ÷ 2/1

1/8 × 1/2

1×1/8×2

1/16