Elementary arithmetic test questions
I. Fill in the blanks:
1. In an equation, if there is only addition and subtraction, you need to calculate (), if there is only multiplication and division, you need to calculate ().
2. In an equation, if there are four operations: addition, subtraction, multiplication and division, you must first calculate () and then calculate ().
3. If the formula contains parentheses, () should be calculated first and then ().
4、 625÷5 225÷ 15 336÷3 336×3
Comprehensive formula () ()
Second, oral calculation: +×-
36 ÷ 3 100 - 62 24 - 8 + 10
75 × 30 37 1 - 37 1 35 + 24 - 12
200 ÷ 40 84 ÷ 4 48 ÷ 8 × 9
Third, the comparison calculation:
49 + 17 - 25 240 ÷ 40 × 5 300 - 50 × 2
49 - ( 17 + 25) 240 + 40 × 5 300 - 50 × 20 × 0
Four, off-type calculation:
12 1 - 1 1 1 ÷ 37 ( 12 1 - 1 1 1 ÷ 37)× 5
280 + 650 ÷ 13 1000 -(280 + 650 ÷ 13)
707 - 35 × 20 ( 120 - 103)× 50
760 ÷ 10 ÷ 38 (95 - 19 × 5 )÷74
45 × 20 × 3 (270 + 180)÷(30 - 15)
Five, solve the problem:
1. There are 80 color TVs in the shop. 25 sets were sold and 40 sets were shipped. How many color TVs are there in the shop?
2. A box of Coke 72 yuan, a box of 24 bottles, and Xinxin wants to buy three bottles. How much will it cost?
The fruit shop sent 8 boxes of apples and 8 boxes of oranges. Apples are 25 kilograms per box and oranges are 20 kilograms per box. How many kilograms of fruit did a * * * send?
Teacher Zhang wants to correct 58 compositions, and has already corrected 22. If you grade 9 articles per hour, how many hours will it take to complete?