十几减9练习题

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,1,、在括号里填上适当的数,13-9,10,1,11-9,10,18-9,10,16-9,10,1,1,2,8,1,9,6,1,7,3,4,1,9+4=,13 9=,13,4,9+5=,14,14 9=,5,2,2,、在括号里填上适当的数,（）+9=12,9+,（）=12,12 9=（）,（）+9=13,9+,（）=13,13 9=（）,5+()=14,9+,（）=14,()9 =5,15 -9 =(),()+,9 =15,6+()=15,3,3,3,4,4,4,9,5,14,6,6,9,3,11 9=2,12 9=3,13 9=4,14 9=5,15 9=6,16 9=7,17 9=8,18 9=9,4,1,1,9,=,2,1,2,9=,3,1,3,9=,4,1,4,9=,5,1,5,9=,6,1,6,9=,7,1,7,9=,8,1,8,9=,9,5,6,3,7,1,8,5,9,9,10,2,11,10,12,7,13,4,14,8,15,6,16,119,129,139,149,159,169,179,189,=,2,=,4,=,6,=,8,=,3,=,5,=,7,=,9,跳木桩,17,5,、,11 9=,14 9=,18 10=,15 5=,12 9=,17 4=,17 9=,19 9=,16 2=,18,