1. Write the number of the following questions directly.
( 1)5.4+ 1. 1=(2)4.7-4.27=(3)5+6- 1=
1 1 1 1
(4) 10×0.8=(5)7.5÷ 100=(6) 17×4×25=
(7)()+5.33+2.67= 10(8)60×( 12+ 18)=
2. Calculate with recursive equation, and calculate with simple method if it can be calculated simply.
( 1) 1 1 18÷26+ 12× 10 1(2) 12000÷ 125
(3)63- 12.45-5.55(4)29× 13+87×29
(5) 102×30÷(2×6)(6)8576÷[67×(3 10- 182)]
3. Formula calculation
(1)84 divided by 12 minus 9, the quotient is
How much/how much?
(2) The number A is 36, which is twice that of the number B. What is the sum of the numbers A and B?
Second, drawing questions
The vertical line m of the straight line y passing through the q point and the parallel line n of the straight line y passing through the p point.
Third, the concept part.
1.
(1) Add decimal points in the appropriate places of the following numbers according to the information:
Small weight is 365kg, height 143m, and her bedroom area 1226m.
(2) The decimal number is 3 in the hundredth and hundredth digits, and the other digits are 0. This number is (), which reads: ().
(3) Of the five numbers of 2.72, 0.727, 2.072, 0.722 and 2.077, the smallest number is () and the largest number is ().
(4) In the rectangle, there are () groups of mutually perpendicular line segments; Parallel segments have () groups.
(5) Four trucks can transport 24 tons of rice at a time. If you add six more trucks, you can transport () tons of rice at a time.
2. Judge whether it is true or not (tick the correct one in brackets and cross the wrong one)
(1) "3.1"and "3. 10" have the same size, but the counting units are different. ()
(2) 12000mL+5L= 17L，5km-300m=4.7km()
(3) In the same plane, only 1 line can be drawn, and the distance from the known straight line is 3cm.
Parallel lines. ()
3. Multiple choice questions (put the number before the correct answer in brackets)
(1) Using the decimal point and five numbers "0 ~ 4", () different two-digit pure decimals can be formed. A.3B.6C.9D. 12
(2) Rounding 1.065 to the percentile is equal to 1.07, and the possible rounding method is ().
A. truncation method and rounding method B. gradual method and rounding method
C. Tail cutting method and five-shed six-entry method D. One-entry method and five-shed six-entry method