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How to do the wonderful topic on page 62 of the third grade elementary school math workbook published by Beijing Normal University?
I. Oral problems (10 score)

48+36= 75-29= 2 1×3= 52÷6= 88÷4=

60+70= 150-90= 4000÷5= 3000+ 140= 60×8×0=

Second, the calculation problem (5 points for each small question *** 30 points)

280÷4+360÷9 90×4+70×3

180×2-50×6 588÷7-29×2

96÷6+45×9 450÷3-420÷7

Three. Narrative questions (5 points for each small question *** 20 points)

What is 9 times of 1? 180?

2. How many times is1809?

Five times of a number is 450. What's this number?

4. What is the quotient of a number divided by 25, and then divided by 4 to leave 3?

Iv. Application problems (6 points for 1-2, 7 points for 3-6, and 40 points for * * *)

1. There are 19 yellow balloons in the store. There are seven yellow balloons missing from Le Ballon Rouge, and the number of flower balloons is twice that of Le Ballon Rouge. How many?

2. Students do exercises. Xiaohua made 75, Xiaoming made 85, and Xiaoqing made 30, which is less than Xiaoming's total in Obana. How many did Xiaoqing make?

3. There are 14 poplars in the school, the number of poplars is twice that of pine trees, and there are 4 more willows than pine trees. How many willows are there?

4. There are 46 students in Grade Three (1), among whom 2 1 are girls. How many more boys than girls?

There are 7 big monkeys in the park, and the number of small monkeys is only 9 more than that of big monkeys. How many monkeys are there in the park?

6. Party A has 140 yuan, which is twice that of Party B. How much does Party A have?

Is this it?