9579 + 8765.
18,344
47,835 - 2451
45,384
35 x 40
1,400
60 ÷ 6
10
Mary, Peter, and Lucy were picking chestnuts. Mary picked twice as much chestnuts than Peter. Lucy picked 2 kg more than Peter. Together the three of them picked 26 kg of chestnuts. How many kilograms did each of them pick?
x=6
4321 + 9999
143,320
73,829 - 1,508
72,321
21 x 54
1,134
340 ÷ 8
425
Sophia finished 2/3 of a book. She calculated that she finished 90 more pages than she has yet to read. How long is her book?
The book is 270 pages long.
9795 + 8969
18,764
95,276 - 3461
91,815
81 x 99
8,019
5,996 ÷ 8
7,495
A farming field can be ploughed by 6 tractors in 4 days. When 6 tractors work together, each of them ploughs 120 hectares a day. If two of the tractors were moved to another field, then the remaining 4 tractors could plough the same field in 5 days. How many hectares a day would one tractor plough then?
144 hectares a day.
9699 + 5978
15,677
71,685 - 4,233
67,452
89 x 25
2,225
5,948 ÷ 8
7,435
A student chose a number, multiplied it by 2, then subtracted 138 from the result and got 102. What was the number he chose?
120
9993 + 5779
15,772
79,035 - 46,271
32,764
81 x 60
4,860
7,146 ÷ 8
89,325
I chose a number and divide it by 5. Then I subtracted 154 from the result and got 6. What was the number I chose?
800