x + 17 x 12 = 216
x + 17 = 216 : 12
x + 17 = 18
x = 18 - 17
x = 1
cau tra loi la 12.nho la nhan chia truoc cong tru sau nha
Find the greatest natural number m such that:
12/17 < 8/5+m < 21/23
Exam number 3
Fill in the blank with the suitable number
Question 1:
The sum of two numbers is 98 and their difference is 24. The greater number is
Question 2:
Fill missing number in the blank
41165+23042=23042+
Question 3:
Fill missing number in the blank
(32514+16257)+23459=+(16257+23459)
Question 4:
Calculate: 91625 – 27356=
Question 5:
If a square has one side’s length is 12cm then its perimeter is cm
Question 6:
If the perimeter of a square is 104m then its one side’s length is m
Question 7:
Find x such that x+24360=41256
Answer: x=
Question 8:
Find y such that y – 12358=18031
Answer: y=
Question 9:
Find the value of n such that
Answer: n=
Question 10:
Find the value of b such that
Answer: b=
Exam number 2
Fill in the blank with the suitable number
Question 1
Find the value of
Answer: ........
Question 2
Fill missing number in the blank
54723+........=27849+54723
Question 3:
Fill missing number in the blank
41165+23042=23042+.........
Question 4:
Calculate: 4159+2615+421=.........
Question 5:
Find x such that x+24360=41256
Answer: x=........
Question 6:
If the perimeter of a square is 104m then its one side’s length is : ........ m
Question 7:
If a square has one side’s length is 12cm then its perimeter is : ........ cm
Question 8:
Find y such that y – 12358=18031
Answer: y=............
Question 9:
The perimeter of a rectangle is 36cm and its length is 6cm more than its width. Its area is : ........
Question 10:
Find the value of b such that b5 x 5 = 75
Answer: b=.........
Bai3: Tính
b. 4 x 6 x 10 x 12 x 15/ 4 x 12 x 5 x 24 x 30 =
c. 34 x 101 x 2005/ 17 x 202 x 4010=
d.6 x 8 x 11 x 13 x 17/ 33 x 16 x 17 x 26 =
Khong tinh ket qua cua tung bieu thuc hay dien dau ( > , < , = ) vao cho cham
a) 12 x ( 367 + 82 ) . . . 82 x 12 + 12 x 367
b) ( 175 - 26 ) x 17 . . . 17 x 177 - 17 x 26
Nho giai thich nhe !
Ai nhznh mk tk !
12/6 x 15/34 x 17/45
11/6 x 12/22 x 13/39
tìm x : x- 54*17*6/17*3*4=12
Tính nhanh
A)(17/4 x 12/7 - 2/7 x 17/4 - 3/7 x 17/4) x 6/51
B)45 x 16 - 17/ 45 x 15 + 28
2 x 17 x 12 + 4 x 6 x 21 + 8 x 3 x 62 = ?
