1500÷( 1500×40%÷3)=7。 five
2. Press 6 for a batch of parts; 5 Distribute them to Party A and Party B for processing. It is known that Party A has 30 more parts than Party B. How many parts are there in this batch?
(6+5)×30=330
3. A cylindrical reservoir with a bottom radius of 10 meter can store water 1.884 cubic meters. If the depth is 2m, how many cubic meters can it store?
3. 14× 10? ×2+ 1884=25 12
4. The ratio is1; On the map of 3000000, the distance between A and B is 5cm, and on another scale it is1; What is the distance between A and B on the map scale of 5000000?
5÷( 1; 3000000)×( 1; 5000000)=3
6. Dad earns 2000 yuan a month this year. If personal income tax is paid at 5% for the part exceeding 1600 yuan, how much does Dad have to pay?
(2200- 1600)×5%=30
That's about it. These are what we got in the graduation exam last year. I suggest that instead of asking online, I should buy my own exercises and papers from PEP. The above topics are more difficult and should improve your study. Give you one more.