Question

срочно помогите пж!!!!!​

Answer 1

Ответ:

1. 890-60×7+340=800

1) 60×7=420

2) 890-420=470

3) 470+340=800

2. 750

¾= 0.75

3. 5/9

2/3≈0.666667

3/7≈0.428571

1/2=0.5

5/9≈0.555556

4. (6/25-1/5)×5/6=1/30

1) 6/25-1/5= 6-5/25= 1/25

2) 1/25×5/6= 1/5×1/6=1/30