How to tell children how to fill in the appropriate numbers in () in the first grade mathematics? For example: 9-( )=5 You can use children's favorite food, such as apples, which is ***9. How many did you eat? There are five left.

Please accept it, thank you!

How to do a math problem in senior one? Fill in the appropriate words 3 ﹦ ()+() 4 ﹦ ()+() ﹦ ()+() 3 = 0+3 =1+2.

4= 1+3=2+2

Fill in the appropriate numbers for the first grade: 4, 1, 8, 4, 12, 9, 16, () () 4, 1, 8, 4, 12, 9,65438.

How to fill in the appropriate number 12-6=2+()= ()? 12-6=2+4=6.

I hope to adopt it ~

Senior two mathematics 1, 2, 3, 6, 5, 10, 7, 14, how to fill in the appropriate numbers? 1,3, 5, 7, 9,...2n- 1。

2,6, 10, 14, 18,...2*(2n- 1)

Fill in the appropriate math questions for the first year in □+30.

( 1) 1+30 & lt； 30 1

②2+30 & lt； 302

(3)3+30 & lt； 303

(4)4+30 & lt； 304

⑤5+30 & lt； 305

6+30 & lt； 306

(7)7+30 & lt； 307

8+30 & lt； 308

9+30 & lt； 309

( 10)0+30 & lt； 300

Fill in the appropriate number 7×9-< >-2 = 18 in the brackets:

7×9-〈〉÷2= 18

63-〈〉÷2= 18

〈〉÷2=63- 18

〈〉÷2=45

〈〉=45×2

〈〉=90,

First grade, supporting exercises and tests, math answers, fill in the appropriate numbers in the box, mouth +3= mouth -9 can be filled in.

9 and 2 1

perhaps

8 and 20

Or 7 and 19.

Or 6 and 18.

Or 5 and 17 and so on.

Fill in the appropriate numbers for the third grade questions in (), 9()()-()93= 107? 900-793= 107

Fill in the appropriate number () -5= 18-9 in () and (14)-5= 18-9 in ().

18-9=9

9+5= 14

Sure, it is.