Question

решите срочно всё кроме 1, 338

Answer 1

1) 0,4*5/9=2/5*5/9=10/45=2/9
2)8/27*0,75=8/27*3/4=24/108=6/17
3)1,5*1/6=1,5/6=1/4

Answer 2

4.
3 5/9 * 5 1/4=32/9 * 21/4=56/3=18 2/3

5.
1 13/15 * 5/8 * 2 2/7=28/15 * 5/8 * 16/7=8/3=2 2/3

6.
2 1/4 * 16/27 * 4 1/3=9/4 * 16/27 * 13/3=52/3=17 1/3