1、12 - 3 =4 + 8 =16 - 8 - 7 =9 + 3 + 3 =7 + 7 =3 + 13 =6 + 3 - 2 =7 - 2 + 1 =6 + 8 =13 - 4 =7 - 2 + 4 =3 + 9 - 8 =12 - 7 =17 - 2 =10 + 3 - 9 =18 - 3 - 9 =8 + 7 =19 - 5 =11 - 4 - 3 =7 + 3 - 4 =11 - 2 =5 + 6 =17 - 4 - 4 =11 + 3 + 1 =4 + 6 =10 - 3 =16 -( )= 12( )+ 8 = 132.解决问题哥哥4个苹果,姐姐有3个苹果,弟弟有8个苹果,哥哥给弟弟
2、1个后,弟弟吃了3个,这时谁的苹果多一天一练23 + 8 =16 - 7 =5 +( )= 14( )- 9 = 917 - 8 =3 + 7 =( )- 3 = 1217 -( )= 158 + 8 =11 - 7 =( )- 3 = 132 +( )= 1118 - 9 =14 + 3 =( )- 7 = 5( )+ 9 = 186 + 7 =9 + 9 =3 +( )= 1213 -( )= 712 - 6 =10 - 5 =( )- 6 = 5( )+ 12 = 1811 - 3 =4 + 4 =3 + 4 + 4 =15 - 4 - 8 =7 - 3 =11 - 9 =13 - 2
3、- 2 =10 + 2 + 2 =3 + 6 =5 + 7 =12 + 3 - 7 =14 - 2 - 6 =2 + 8 =13 - 5 =10 - 4 + 2 =5 + 3 - 3 =16 - 9 =11 - 4 =8 + 4 - 5 =9 - 5 + 3 =12 - 5 =5 + 8 =11 - 3 - 5 =6 + 2 - 6 =4 + 7 =3 + 15 =8+( )= 14( )- 11 = 9有一本书,小华第一天看了2页,以后每一天都比前一天多看2页,第4天看了多少页一天一练35 + 9 =12 - 8 =11 -( )= 4( )- 9 = 416 - 8 =7 + 8 =3 +
4、( )= 11( )+ 10 = 188 + 5 =3 + 9 =( )- 3 = 152 +( )= 1415 - 7 =13 - 6 =( )- 2 = 99 + 2 =( )- 7 = 813 -( )= 64 + 9 =15 -( )= 13( )+ 7 = 118 + 3 =16 + 3 - 8 =5 + 7 - 4 =13 - 8 =15 - 6 - 4 =14 - 6 - 1 =12 - 9 =10 + 5 - 2 =16 - 4 - 6 =15 - 6 =6 + 4 - 1 =7 + 4 - 6 =8 + 9 =9 + 4 =13 - 4 + 1 =15 - 4 - 5 =7
5、+ 4 + 3 =8 + 7 - 3 =9 + 3 =12 -( )= 5( )- 9 = 7同学们排队做操,小明前面有4个人,后面有4个人,这一队一共有多少人一天一练42 + 9 =4 +( )= 1317 -( )= 96 + 9 =( )- 8 = 99 +( )= 1914 - 8 =7 + 6 =( )- 3 = 9( )+ 9 = 1115 - 8 =4 +( )= 1716 -( )= 7( )+ 8 = 12( )+ 14 = 1613 - 7 =16 -( )= 133 +( )= 197 + 9 =14 - 7 =14 - 3 - 7 =13 + 4 + 2 =8 + 6
6、=10 - 6 - 3 =18 - 4 + 2 =8 + 4 =7 + 3 + 4 =11 + 4 - 9 =9 + 7 =16 - 4 + 3 =7 + 4 - 7 =14 - 6 =8 + 4 + 1 =9 + 7 - 5 =16 - 4 - 2 =17 - 3 - 8 =4 +( )= 1217 -( )= 6同学们排队做操,从前面数,小明排第4,从后面数,小明排第5,这一队一共有多少人一天一练511 -( )= 24 + 14 =13 -( )= 59 -( )= 214 - 2 =( )+ 14 = 18( )- 2 = 1718 -( )= 169 +( )= 18( )- 8 =
7、 85 + 5 - 2 =18 - 9 - 4 =13 - 9 =16 - 8 - 5 =7 + 6 - 3 =6 + 12 =4 + 7 - 9 =17 - 5 - 8 =15 - 3 =12 - 5 - 6 =15 - 5 - 9 =2 + 17 =13 - 7 - 6 =8 + 7 - 8 =17 - 4 =10 - 7 =4 + 5 + 9 =14 - 6 + 9 =14 - 9 =( )+ 12 = 19有8个皮球,如果男生每人发一个,就多2个,如果女生每人发一个,就少2个,男生有多少人,女生有多少人一天一练618 - 3 =12 -( )= 8( )- 9 = 52 +( )= 1
8、9( )- 9 = 811 -( )= 58 +( )= 18( )+ 15 = 17( )- 6 = 914 - 6 - 3 =7 + 7 - 6 =16 - 3 - 8 =13 - 6 + 8 =15 - 9 =8 + 8 - 4 =15 - 6 - 2 =18 - 4 =13 - 9 - 2 =9 + 5 - 5 =16 - 7 + 8 =3 + 6 + 8 =4 + 8 - 7 =17 - 3 - 9 =15 -( )= 8( )+ 9 = 17有5个同学投沙包,老师如果发给每人2个沙包就差1个,老师共有多少个沙包一天一练719 - 7 =18 -( )= 153 + 14 =13 -
9、( )= 49 -( )= 418 -( )= 12( )+ 9 = 1216 - 2 =3 +( )= 187 + 5 =11 -( )= 615 - 2 =7 + 3 - 2 =17 - 8 - 3 =13 - 5 - 4 =4 + 8 - 3 =6 + 6 - 9 =15 - 6 - 6 =14 - 5 - 5 =18 - 6 - 9 =19 - 5 - 9 =8 + 8 - 7 =4 + 4 - 8 =11 - 6 + 9 =12 +( )= 19刚刚有9本书,爸爸又给他买了5本,小明借去2本,刚刚还有几本书一天一练814 -( )= 54 +( )= 11( )+ 9 = 14( )- 7 = 918 -( )= 917 - 3 =12 -( )= 95 + 7 - 5
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