Question

va roggggggg!!!!!!!!!!!!!!!!!​

Answer 1

3. 15/12 = 5/4

15×4= 60, 12×5= 60 sunt echivalente

4/7= 12/21

4×21= 84, 7×12= 84 sunt echivalente

20/4= 25/5

20×5= 100, 4×25=100 sunt echivalente

4. 20/18 = .../9

20×9= 180; 180:18=10 lipseste

..../4= 28/16

4×28= 112; 112:16=7

45/75 = 3/....

75×3= 225; 225:45= 5