Question

rozwiąż

2 i 1/2 liczby 8

1 i 2/3 liczby 12

4 i 2/5 liczby 25

10 i 3/7 liczby 21

Answer 1

2 * 8 = * 8 = 20

1 * 12 = * 12 = 20

4 * 25 = * 25 = 110

10 * 21 = * 21 = 219

Answer 2

2½  × 8 = 5/2 × 8 = 40/2 = 20

1⅔  × 12 = 5/3 × 12 = 60/3 = 20

4i2/5 × 25 = 22/5 × 25 = 110

10i3/7 × 21 = 73/7 × 21 = 219