60 đây cũng là 1 bài của thi cấp quốc gia năm học 2014-2015
60 đây cũng là 1 bài của thi cấp quốc gia năm học 2014-2015
John uses 1/3 of his land for growing apples , 1/4 for oranges , 1/5 for bananas and the meaning 13 hectares . The total area of his land is ... hectares .
1kg of apple costs 2 dollar and 1kg of orange costs 3 dollar more than an apple. Jean bought 10kg of apples and 8kg of oranges. How much did she have to pay for the fruits? Answer: dollar.
1.Three pumpkins are weighed in pairs in all possible ways. The weights of all these pairs are 8kg, 9kg and 11kg. How much does the lightest pumpkin weight?
2.It takes Jack 42 minutes to cut a long log of wood into seven pieces. How long will it take him to cut that log of wood into nine pieces?
3.The sum of two fractions 1/2 and 1/3 is a fraction with denominator of 12. Find its numerator
4.The floor of a rectangular room is covered with square tiles. The room is 24 tiles long and 16 tiles wide. The number of tiles in the outer border of the floor is ?
5.The average of 4, 8, X and 13 is 8. The value of X is ?
6.How many zero digits are there in ten million?
7.Fill the missing number in the blank
44444 = 40000 +400+ ............ + 4
8.There are 3 children in a family,Jack,Mary and Peter.Mary can clean the house for 1 hour.Jack can do thesame job for 2 hours and Peter needs 6 hours.If theydo the job together then they need ........... minutes.
9.MNPQ is a square that is made up of two identical rectangles and two squares of area 9 and 16CM2 . The area of the square MNPQ is ? CM2
TO SE TICK CHO AI NHANH VA DUNG
A fruit grocer bought 28 baskets of mangoes each basket contained 148 mangoes he gave away 264 mangoes to the poor and packed the remaining mangoes in packets of 4 he sold each packet of mangoes for $7 what was the total amount of money he earned if he sold all the packets of mangoes
Answer dollars
1kg of apple costs 2 dollar and 1kg of orange costs 3 dollar more than an apple. Jean bought 10kg of apples and 8kg of oranges. How much did she have to pay for the fruits?
Anna scores 68 out of 80 for her test, Brat scores 86 out of 120 for his test, Cindy scores 120 out of 150 for her test, Dan scores 70 of 110 for his test. Who performs the best in his/her test?
Giúp mình. Nhanh nhanh nhé. Mình tick.
The industrial park is built on a rectangular plot of land with a length of 5 km and a width of 2 km. How many square kilometers is the area of that industrial park?
(đây là bài toán đố)
Mr Turner bought 4 identical basketballs and 5 identical volleyballs for $330. The price of 2 such basketballs was the same as the price of 3 such volleyballs. What was the price of a volleyball?
Jane is cooking for 28 children.She needs 2 eggs per child and at least 3 eggs for herself.How many dozens of eggs should she bring to the kitchen?(Knowing that:1 dozen of eggs=12 eggs)
Answer? dozens of eggs