Question

Bài 23: Tìm x:

a) 29 < x < 32

b) 36 < x + 1 < 39

c) x + 30 < 64

d) 46 < x - 42 < 48

Answer 1

30,31

36+1

20

88

Answer 2

Bài 23: Tìm x:

a) 29 < 30 < 32

b) 36 < 37 + 1 < 39

c) 30 + 30 < 64

d) 46 < 88 - 42 < 48

Answer 3

a, 30

b,37

c, 30

d, 88

Answer 4

30

37

30

88

Answer 5

a) 30
b) 37
c) 30
d) 88

Answer 6

a) 30 
b) 37 
c) 30
d) 88