29. А) Выполните умножение: 1) 7/9*2/5; 2) 13/13*26/27; 3) 3 целых 3/5*2 целых 1/12; 4) 7*15/49; 5)2 целых 13/18*18. ДАМ 10 БАЛЛОВ! СРОЧНО!
More Questions From This User See All
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
1) 7/9× 2/5= 7×2 / 9×5= 14/45
2) 13/13 × 26/27 = 1 × 26/27 = 26/27
3) 3 3/5 × 2 1/12= 18/5 × 25/12 = 15/2 = 7 1/2
4)7 × 15/49= 15/7 = 2 1/7
5) 2 13/18× 18 =49/18 × 18 = 49