Exam number 1: Đi tìm kho báuQuestion 1:185,4 - 5,36 = ............Which answer is correct? a. 180,04b. 18,004c. 1,318d. 13,18Question 2:Calculate: 124,7 : 100 + 45,18 = ..............a. 46,427b. 47,426c. 46,247d. 47,246Question 3:Look at these numbers 5,586 0,293 0,675 5,595Two numbers in the box have a sum of 6,261 are .............a. 5,586 and 0,293b. 5,586 and 0,675c. 5,595 and 0,293d. 5,595 and 0,675Question 4:Brick is $28,25 per...
Đọc tiếp
Exam number 1: Đi tìm kho báu
Question 1:
185,4 - 5,36 = ............
Which answer is correct?
- a. 180,04
- b. 18,004
- c. 1,318
- d. 13,18
Question 2:
Calculate: 124,7 : 100 + 45,18 = ..............
- a. 46,427
- b. 47,426
- c. 46,247
- d. 47,246
Question 3:
Look at these numbers
5,586 0,293 0,675 5,595
Two numbers in the box have a sum of 6,261 are .............
- a. 5,586 and 0,293
- b. 5,586 and 0,675
- c. 5,595 and 0,293
- d. 5,595 and 0,675
Question 4:
Brick is $28,25 per 25kg. How much is 350kg of brick?
Answer:
- a. $395,5
- b. $9887,5
- c. $359,5
- d. $8987,5
Question 5:
If X is a natural number and 0,5 x X > 8,3 then the smallest value of X is ............
Exam number 2: Choose 2 consecutive cells which have the same or equal value. (Tìm cặp bằng nhau)
Answer:
(1) = ......; (2) = ......; (3) = .......; (4) = .....; (5) = ......; (6) = ......; (7) = ........; (8) = ......; (11) = ......; (15) = .......
Nhập số thứ tự của các ô vào chỗ (....) cho thích hợp để được các cặp giá trị bằng nhau.
Exam number 3: Fill in the blank with the suitable number (Note: write decimal number with the comma between number part and fraction part. Ex: 0,5)
Question 1:
Find x such that 2,89 < x < 11,01 and x are even natural numbers.
Answer: ................
(Write numbers in the order from smallest to greatest and use ";")
Question 2:
2,3m + 6,8m = ......... dm.
Question 3:
7m2 4dm2 = ........... cm2.
Question 4:
123004,64 : 10000 = ...............
Question 5:
15% of 370kg = .................g
Question 6:
2m2 3dm2 + 1m2 35cm2 = ........... cm2.
Question 7:
The perimeter of the star equals the perimeter of the regular hexagon. Each side of the hexagon is 16cm long. Each side of the star is ........... cm long.
Question 8:
Jane bought jelly beans. She gave 9/11 of them for Jack. If Jane kept 36 jelly beans then she bought .......... jelly beans in total.
Question 9:
Tina works 17 hours a week (Monday to Friday). Last week she worked 4,5 hours on Monday; 5 hours on Tuesday; 2,2 hours on Wednesday and 1,5 hours on Thursday. She worked ......... minutes on Friday.
Question 10:
The value of 2,73 + 4,23 + 5,73 + 7,23 + 8,73 + 10,23 + 11,73 + 13,23 +14,73 + 16,23 + 17,73 is .....................
i don't no and i'm sorry
1. Charlies mua một đôi giày với giá 15,75 đô la Mỹ. Cậu ấy đưa cô bán hàng 50 đô la Mỹ. Hỏi cô bán hàng phải trả lại Charlies bao nhiêu tiền?
Giải
Cô bán hàng phải trả lại Charlies số tiền là: 50 - 15,75 = C. 34,25 (đô la Mỹ)
Đáp số : C
2. Bốn người bạn cùng ăn pizza. John ăn 2/5 cái, James ăn 1/3 cái, Jacob ăn 1/4 cái và Billy ăn 3/5 cái. Ai ăn ít nhất?
Ta so sánh 2/5; 1/3; 1/4 và 3/5. Phần còn lại bạn tự suy nghĩ na