Uzupełnij i oblicz 2/5 liczby 50:2/5*50= 3/4 liczby 28 5/9 liczby 36 1 1/7 liczby 21 Zad4 1/5*30= 1/3*27= 3/4*100= 1/4*60= 1 1/5*1000=

1/5 × 30 = 1/5 × 30/1 = 1 × 6 = 6 1/3 × 27 = 1/3 × 27/1 = 1 × 9 = 9 3/4 × 100 = 3/4 × 100/1 = 3 × 25 = 75 1/4 × 60 = 1/4 × 60/1 = 1 × 15 = 15 11/5 × 1000 = 11/5 × 1000/1 = 11 × 200 = 2200 2/3 z 50 50 ÷ 3 = 16 2/3 ← to jest 1/3 50 - 16 2/3 = 33 1/3 2/3 z 50 to 33 1/3 3/4 z 28 28 ÷ 4 = 7 ← to jest 1/4 28 - 7 = 21 3/4 z 28 to 21 5/9 z 36 36 ÷ 9 = 4 ← to jest 1/9 5 × 4 = 20 5/9 z 36 to 20 1 1/7 z 21 21÷7 = 3 ← to jest 1/7 8 × 3 = 24 1 1/7 z 21 to 24