1, the following formula, the quotient is two digits (answer).

a、378÷ 2 B、846÷ 6 C、465 \u 5D、672÷ 27

2, 800÷2÷4= (answer), the quotient equals its formula is (answer).

a . 800 \u 6 B、800÷ 8 C、800 \u 16

Divide (answer) by 0 to get 0.

A, any number b, any number except 0 c, 0, 1, 2, 3. ...

Divide three digits by one digit and the quotient is (the answer).

A, three digits b, two digits c, two digits or three digits

5.□ 75 ÷ 7 = If the quotient is two digits, a □ sign (answer) should be filled in.

a、6 B、7 C、8

6. Compared with the days in the second half of leap year (answer).

A, equal b, unequal c, uncertain

7. Teacher's Day is the first quarter.

A, may 1 day b, September1day c, third quarter d, second quarter

8. There were (a) days in the first quarter of this year.

a、90 B、9 1 C、92

9. The following statement is wrong (answer).

A, there are four quarters in a year, 12 months, five big months and four small months.

B On February 20th this year, my father went to Nanchang on business and didn't go home until February 29th.

There are 10 days in the middle of each month.

10, from March 15 to April 2, a * * * passed (answered) days.

a、 18 B、 19 C、20

The product of 1 1 and 28×32 is about (answer).

A, more than 600 b, more than 700 c, 800 D, 900

12, equal to 55×2 1, the formula of the result is (answer).

a、55×20+ 1 B、55×20+55 C、55×20+20

13. The Children's Palace is 500 meters east of Xiaohua's home. Xiaohua walks 60 meters per minute for 9 minutes. Can Xiaohua walk to the Children's Palace? (answer)

A, can b, can't c, can't be sure.

14, a runway is 250 meters long, and Xiaoming goes back and forth 1 km.

A, 4 B, 3 C, 2 D, uncertain

15, the following statement is correct (answer).

This container can hold 4 kilograms of goods. B, the Yangtze River is about 6300 meters long.

C, 4 brick weight 10 kg, 100 brick weight 1 ton. D. Ten eggs weigh about 1 kg.

16, the following arrangement is correct and orderly (answer).

A, 3kg, 102g, 102kg, 2 tons of b, 2 tons, 102kg, 102g, 3kg.

c， 102g，3kg， 102kg，2t， 102g，2t， 102kg，3kg。

A, regular hexagon b, triangle c, rectangle d, circle

22. All the letters below are axisymmetric figures.

A, C, D, A, I, B, U, O, C, H.

c、R、I、T、E、J、V、D、K、G、L

23. There are 35 apples. A little monkey took three-sevenths of them, and there are still a few. The correct formula is (answer).

a、35÷3×7 B、35÷7 C、35÷7×3

24. Dad is half as old as grandpa, and Xiaoming is a quarter as old as dad. How old is Xiaoming this year? The correct formula is (answer).

a、72÷2÷4 B、72×2÷4 C、72×4÷2

25, 9 decimeters long, compared with five tenths of meters (answer).

A, the front length b, the back length c and the same length d are not comparable.

26. Five sixths of an hour is (answer) minutes.