1) 91,8: (10,56-1,56) + 0,704

2) (61,5-5,16) : 30+5,05

3) 66,24-16,24: (3,7+4,3)

4) 28,6+11,4: (6,595+3,405)

1) 91,8: (10,56-1,56) + 0,704=10,904

10,56-1,56=9

91,8:9=10,2

10,2+0,704=10,904

2) (61,5-5,16) : 30+5,05=6,928

61,5-5,16=56,34

56,34:30=1,878

1,878+5,05=6,928

3) 66,24-16,24: (3,7+4,3) = 64,21

3,7+4,3=8

16,24:8=2,03

66,24-2,03=64,21

4) 28,6+11,4: (6,595+3,405) =

6,595+3,405=10

11,4:10=1,14

28,6+1,14=29,74