First, focus on the past and fill in the blanks.

1, 6×36, 36×6.

2、 3 1× =× =0.5× = 1 52

553,5 of 10 is equivalent to 20, which is 3 kilograms more than 3 of 15.

4.9.6 The number of 2 more than 2 is.

3 5. There are as many boys as girls, which is regarded as the unit "1". 6, 8 tons = kg, 6 hours = minutes.

4 17. The height of a parallelogram is decimeter, and its base is high. The area of this parallelogram is 52.

Yes

1 8, reading, reading the whole book every day, reading the whole book in 3 days. nine

19, a bag of flour is 25 kilograms, and those who have already eaten have eaten kilograms, leaving 1555.

Dick.

Second, distinguish right from wrong with a critical eye.

1, 1 m3 is as long as 2m3. ( )

2, 5×3 and 3×5 have the same calculation results and the same meaning. ( )

3. The reciprocal of the true score is greater than 1, and the reciprocal of the false score is less than 1. ( )

1 1 4. There are five more boys than girls, so there are five fewer girls than boys. ( ) 22

5. the number a is 3 of the number b, so the number b is 3 times of the number a. ( )

Third, the seesaw.

552 12× 12

6×56 12544

8×38 25×45×3

Four, careful calculation, no mistakes (can be simplified)

893.5- 15× 16 324+×329 58×54×3.2

55236×37 (3+8)×2.4 7787

8× 15+ 15×8

Verbs (short for verb) solve problems.

1, dad's height is 180 cm, Xiaogang's height is 9 of dad's, what is Xiaogang's height?

Centimeter?

2. A car travels 80 kilometers per hour, and it takes 5 hours to get from A to B. How many kilometers is there between A and B?

3. There is a rectangular glass with a width of 3m and a length of 1.5 times the width. How many square meters is the area of this glass?