乘法口诀带括号每日一练口算.doc

乘法口诀带括号口算练习题

一、括号在右边（1）
7 × 1 = ( ) 5 × 4 = ( ) 7 × 3 = ( ) 8 × 8 = ( ) 8 × 3 = ( )
3 × 5 = ( ) 6 × 8 = ( ) 7 × 7 = ( ) 7 × 4 = ( ) 9 × 7 = ( )
7 × 8 = ( ) 3 × 3 = ( ) 7 × 3 = ( ) 7 × 1 = ( ) 7 × 7 = ( )
5 × 7 = ( ) 4 × 9 = ( ) 8 × 6 = ( ) 8 × 7 = ( ) 8 × 6 = ( )
8 × 5 = ( ) 3 × 4 = ( ) 6 × 4 = ( ) 5 × 6 = ( ) 6 × 2 = ( )
1 × 8 = ( ) 7 × 9 = ( ) 8 × 4 = ( ) 3 × 6 = ( ) 8 × 6 = ( )
8 × 1 = ( ) 4 × 3 = ( ) 2 × 3 = ( ) 7 × 8 = ( ) 4 × 1 = ( )
3 × 4 = ( ) 8 × 1 = ( ) 7 × 4 = ( ) 2 × 7 = ( ) 7 × 9 = ( )
2 × 4 = ( ) 3 × 3 = ( ) 8 × 8 = ( ) 3 × 9 = ( ) 4 × 6 = ( )
3 × 6 = ( ) 5 × 4 = ( ) 2 × 3 = ( ) 8 × 9 = ( ) 6 × 4 = ( )

一、括号在右边（2）
3 × 3 = ( ) 7 × 7 = ( ) 6 × 6 = ( ) 1 × 4 = ( ) 4 × 5 = ( )
4 × 2 = ( ) 3 × 4 = ( ) 4 × 6 = ( ) 9 × 4 = ( ) 2 × 8 = ( )
2 × 1 = ( ) 7 × 1 = ( ) 6 × 4 = ( ) 2 × 8 = ( ) 9 × 6 = ( )
8 × 3 = ( ) 2 × 4 = ( ) 8 × 7 = ( ) 8 × 1 = ( ) 6 × 8 = ( )
8 × 6 = ( ) 9 × 8 = ( ) 9 × 7 = ( ) 2 × 3 = ( ) 8 × 4 = ( )
6 × 9 = ( ) 6 × 2 = ( ) 5 × 3 = ( ) 3 × 6 = ( ) 4 × 9 = ( )
5 × 8 = ( ) 5 × 6 = ( ) 4 × 6 = ( ) 5 × 5 = ( ) 7 × 3 = ( )
4 × 7 = ( ) 2 × 4 = ( ) 6 × 7 = ( ) 2 × 6 = ( ) 7 × 8 = ( )
3 × 2 = ( ) 5 × 1 = ( ) 2 × 4 = ( ) 7 × 4 = ( ) 6 × 6 = ( )
1 × 3 = ( ) 4 × 2 = ( ) 2 × 6 = ( ) 4 × 5 = ( ) 3 × 6 = ( )

二、括号在左边（1）
( ) × 3 = 24 ( ) × 2 = 18 ( ) × 3 = 21 ( ) × 7 = 63 ( ) × 4 = 32
( ) × 2 = 6 ( ) × 3 = 27 ( ) × 3 = 24 ( ) × 4 = 32 ( ) × 3 = 12
( ) × 2 = 10 ( ) × 4 = 36 ( ) × 3 = 15 ( ) × 4 = 32 ( ) × 6 = 48
( ) × 2 = 8 ( ) × 6 = 36 ( ) × 2 = 12 ( ) × 2 = 8 ( ) × 3 = 12
( ) × 2 = 8 ( ) × 2 = 12 ( ) × 1 = 3 ( ) × 6 = 42 ( ) × 2 = 14
( ) × 3 = 24 ( ) × 5 = 35 ( ) × 2 = 10 ( ) × 4 = 24 ( ) × 5 = 40
( ) × 3 = 21 ( ) × 2 = 12 ( ) × 2 = 6 ( ) × 3 = 18 ( ) × 1 = 6
( ) × 1 = 5 ( ) × 5 = 35 ( ) × 6 = 48 ( ) × 2 = 10 ( ) × 1 = 2
( ) × 3 = 12 ( ) × 6 = 36 ( ) × 1 = 3 ( ) × 1 = 2 ( ) × 8 = 72
( ) × 2 = 12 ( ) × 2 = 8 ( ) × 3 = 18 ( ) × 4 = 36 ( ) × 3 = 18

二、括号在左边（2）
( ) × 1 = 4 ( ) × 6 = 42 ( ) × 5 = 45 ( ) × 2 = 18 ( ) × 3 = 21
( ) × 3 = 12 ( ) × 4 = 32 ( ) × 3 = 24 ( ) × 3 = 15 ( ) × 5 = 40
( ) × 4 = 28 ( ) × 4 = 28 ( ) × 2 = 16 ( ) × 4 = 28 ( ) × 2 = 16
( ) × 5 = 30 ( ) × 8 = 72 ( ) × 7 = 63 ( ) × 3 = 12 ( ) × 3 = 9
( ) × 2 = 18 ( ) × 2 = 12 ( ) × 1 = 5 ( ) × 6 = 42 ( ) × 4 = 28
( ) × 3 = 21 ( ) × 2 = 18 ( ) × 3 = 24 ( ) × 4 = 28 ( ) × 1 = 3
( ) × 2 = 16 ( ) × 8 = 72 ( ) × 2 = 14 ( ) × 3 = 15 ( ) × 3 = 18
( ) × 1 = 6 ( ) × 2 = 6 ( ) × 5 = 40 ( ) × 5 = 25 ( ) × 2 = 12
( ) × 5 = 40 ( ) × 6 = 42 ( ) × 7 = 63 ( ) × 1 = 2 ( ) × 3 = 9
( ) × 4 = 20 ( ) × 5 = 40 ( ) × 5 = 45 ( ) × 6 = 48 ( ) × 3 = 18

三、括号在中间（1）
5 × ( ) = 30 7 × ( ) = 49 3 × ( ) = 27 6 × ( ) = 48 1 × ( ) = 6
5 × ( ) = 30 7 × ( ) = 49 3 × ( ) = 15 6 × ( ) = 54 4 × ( ) = 24
5 × ( ) = 45 1 × ( ) = 8 5 × ( ) = 35 2 × ( ) = 10 2 × ( ) = 8
2 × ( ) = 10 3 × ( ) = 18 5 × ( ) = 35 3 × ( ) = 15 3 × ( ) = 24
3 × ( ) = 12 4 × ( ) = 32 4 × ( ) = 24 1 × ( ) = 5 3 × ( ) = 27
2 × ( ) = 12 5 × ( ) = 35 3 × ( ) = 12 2 × ( ) = 12 2 × ( ) = 12
3 × ( ) = 18 5 × ( ) = 35 3 × ( ) = 24 2 × ( ) = 10 3 × ( ) = 27
3 × ( ) = 18 5 × ( ) = 35 3 × ( ) = 12 2 × ( ) = 10 4 × ( ) = 24
1 × ( ) = 7 7 × ( ) = 49 5 × ( ) = 35 4 × ( ) = 32 1 × ( ) = 9
2 × ( ) = 8 5 × ( ) = 30 4 × ( ) = 24 6 × ( ) = 36 2 × ( ) = 12

三、括号在中间（2）
3 × ( ) = 9 2 × ( ) = 8 3 × ( ) = 18 3 × ( ) = 21 8 × ( ) = 64
5 × ( ) = 25 5 × ( ) = 40 3 × ( ) = 21 1 × ( ) = 4 3 × ( ) = 21
8 × ( ) = 64 5 × ( ) = 40 5 × ( ) = 30 7 × ( ) = 63 8 × ( ) = 64
3 × ( ) = 12 4 × ( ) = 28 4 × ( ) = 24 6 × ( ) = 36 4 × ( ) = 28
3 × ( ) = 24 1 × ( ) = 2 3 × ( ) = 15 6 × ( ) = 36 6 × ( ) = 54
5 × ( ) = 25 2 × ( ) = 16 1 × ( ) = 2 7 × ( ) = 56 6 × ( ) = 48
5 × ( ) = 35 3 × ( ) = 18 3 × ( ) = 18 2 × ( ) = 16 3 × ( ) = 18
5 × ( ) = 40 6 × ( ) = 42 3 × ( ) = 27 2 × ( ) = 18 2 × ( ) = 4
3 × ( ) = 27 5 × ( ) = 30 3 × ( ) = 24 3 × ( ) = 9 1 × ( ) = 6
6 × ( ) = 42 1 × ( ) = 8 2 × ( ) = 4 1 × ( ) = 9 3 × ( ) = 21

四、括号在左、中、右任意位置（1）
4 × ( ) = 32 7 × ( ) = 49 7 × 9 = ( ) 5 × 2 = ( ) 2 × ( ) = 14
2 × ( ) = 14 1 × ( ) = 2 3 × ( ) = 27 1 × ( ) = 3 1 × ( ) = 6
5 × ( ) = 35 1 × ( ) = 8 6 × ( ) = 42 3 × ( ) = 21 ( ) × 7 = 63
( ) × 7 = 56 3 × ( ) = 15 ( ) × 4 = 32 7 × 4 = ( ) 4 × ( ) = 36
5 × 3 = ( ) 6 × 6 = ( ) 2 × ( ) = 16 5 × ( ) = 25 ( ) × 3 = 21
( ) × 4 = 16 ( ) × 3 = 15 8 × ( ) = 64 4 × ( ) = 28 ( ) × 5 = 30
7 × ( ) = 56 7 × 2 = ( ) 2 × 5 = ( ) 4 × 4 = ( ) 1 × ( ) = 6
1 × ( ) = 7 3 × ( ) = 24 6 × 6 = ( ) 7 × 8 = ( ) 3 × ( ) = 21
3 × 3 = ( ) 5 × ( ) = 40 9 × 5 = ( ) 3 × 1 = ( ) 2 × ( ) = 16
5 × ( ) = 30 2 × ( ) = 12 3 × 1 = ( ) 6 × 7 = ( ) 2 × ( ) = 16

四、括号在左、中、右任意位置（2）
( ) × 7 = 49 3 × 7 = ( ) ( ) × 5 = 30 ( ) × 2 = 12 7 × ( ) = 56
5 × 2 = ( ) 3 × 4 = ( ) ( ) × 2 = 8 3 × ( ) = 24 5 × ( ) = 45
4 × 4 = ( ) 7 × 5 = ( ) 8 × 9 = ( ) 3 × ( ) = 15 4 × ( ) = 32
( ) × 5 = 40 ( ) × 5 = 35 ( ) × 2 = 16 7 × 3 = ( ) 4 × 6 = ( )
8 × ( ) = 64 ( ) × 3 = 18 8 × 3 = ( ) 5 × 2 = ( ) 3 × ( ) = 21
3 × ( ) = 9 4 × ( ) = 24 6 × 5 = ( ) 5 × ( ) = 30 3 × ( ) = 24
3 × ( ) = 18 4 × ( ) = 32 ( ) × 5 = 25 3 × ( ) = 12 5 × ( ) = 45
1 × ( ) = 8 ( ) × 4 = 32 ( ) × 6 = 54 5 × ( ) = 45 4 × ( ) = 32
( ) × 5 = 45 8 × 5 = ( ) 6 × ( ) = 42 ( ) × 5 = 35 2 × ( ) = 18
9 × 7 = ( ) 5 × ( ) = 30 2 × ( ) = 14 6 × ( ) = 42 5 × ( ) = 40