乘法口诀表乘法算式和除法算式.

2022-01-18 11:30:56 文档大全网 [ 字体：小中大 ] [ 阅读： ]

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算式,乘法,除法,口诀
乘法算式

乘法口诀

除法算式

——得一一二得二二二得四一三得三二三得六

1 X仁1

1 X 2 = 2 2 X 1= 2 2X 2 = 4

1 X 3 = 3 3 X 1= 3 2X 3 = 6 3 X 2= 6 3X 3 = 9

1 X 4 = 4 4 X 1= 4 2X 4 = 8 4 X 2= 8 3X 4 = 12 4 X 3= 12 4X 4 = 16

1 - 1 = 1

2 - 1 = 2 2 - 2 = 1 4 - 2 = 2 3 - 1 = 3 3 6 - 2 = 3 6 9 - 3 = 3

4 — 1 = 4 4 — 4 = 1 8 - 2 = 4

8 - 4 = 2

- 3 = 1 - 3 = 2

三三得九

一四得四

二四得八三四十二四四十六一五得五二五一^十三五十五四五二十五五二十五一六得六二六十二三六十八四六二十四五六三十八八三十八

一七得七二七十四

12 - 3= 4 12 - 4= 3 16 — 4= 4 5 - 1 = 5

5 - 5 = 1

1X 5 = 5 5 X 1= 15 2X 5 = 10 5 X 2= 10 3X 5 = 15 5 X 3= 15 4X 5 = 20 5 X 4= 20 5X 5 = 25

1 X 6 = 6 6 X 1= 6 2X 6 = 12 6 X 2= 12 3X 6 = 18 6 X 3= 18 4X 6 = 24 6 X 4= 24 5X 6 = 30 6 X 5= 30 6X 6 = 36

1X 7 = 7 7 X 1= 7 2X 7 = 14 7 X 2= 14

10- 2= 5 10 - 5= 2 15- 3= 5 15 - 5= 3 20- 4= 5 20 - 5= 4 25- 5= 5 6 - 1 = 6

6 - 3 = 1

12- 2= 6 12 - 6= 2 18- 3= 6 18 - 6= 3 24 — 4= 6 24 — 6= 4 30* 5= 6 30 — 6= 5 36- 6= 6

7 * 1 = 7 7 * 7 = 1 14* 2= 7 14 * 7= 2

三七二^一四七二十八五七三十五六七四十二七七四十九一八得八二八十六三八二十四四八三十二五八四十六八四十八七八五十六八八六十四

3X 7 = 21 7 X 3= 21 4X 7 = 28 7 X 4= 28 5X 7 = 35 7 X 5= 35 6X 7 = 42 7 X 6= 42 7X 7 = 49

1 X 8 = 8 8 X 1= 8 2X 8 = 16 8 X 2= 16 3X 8 = 24 8 X 3= 24 4X 8 = 32 8 X 4= 32 5X 8 = 40 8 X 5= 40 6X 8 = 48 8 X 6= 48 7X 8 = 56 8 X 7= 56 8X 8 = 64

21 - 3= 7 21 - 7= 3

28- 4= 7 28 - 7= 4 35- 5= 7 35 - 7= 5 42 - 6= 7 42 - 7= 6 49- 7= 7

8 - 1 = 8 8 - 8 = 1 16- 2= 8 16 - 8= 2 24- 3= 8 24 - 8= 3 32 - 4= 8 32 - 8= 4 40- 5= 8 40 - 8= 5 48— 6= 8 48 — 8= 6 56- 7= 8 56 - 8= 7 64 — 8= 8

一九得九二九十八三九二十七四九三十六五九四十五八九五十四七九八十三八九七十二九九八^一

1 X 9 = 9 9 X 1= 9 2X 9 = 18 9 X 2= 18 3X 9 = 27 9 X 3= 27 4X 9 = 36 9 X 4= 36 5X 9 = 45 9 X 5= 45 6X 9 = 54 9 X 6= 54 7X 9 = 63 9 X 7= 63 8X 9 = 72 9 X 8= 72 9X 9 = 81

9 - 1 = 9 9 - 9 = 1

18- 2= 9 18 - 9= 2 27- 3= 9 27 - 9= 3 36 — 4= 9 36 — 9= 4 45— 5= 9 45 — 9= 5 54 — 6= 9 54 — 9= 6 63- 7= 9 63 - 9= 7 72 - 8= 9 72 - 9= 8 81 - 9= 9