40天每天一练习题2（无答案）7 + 8 = 9 + 5 = 15 8 = 14 - 9 = 12 3 = 11 8= 15 7 = 14 5 = 12 9 = 17 9 =16-8= 15-7= 8+7= 7+7= 15-8= 11-2= 13-6= 15-8= 15-6= 14-6= 班级 姓名 7 + 8 = 9 + 5 = 15 8 = 14 - 9 = 12 3 = 11 8= 15 7 = 14 5 = 12 9 = 17 9 =16-8= 15-7= 8+7= 7+7= 15-8= 11-2= 13-6= 15-8= 15-6= 14-6= 班级 姓名 7 + 8 = 9 + 5 = 15 8 = 14 - 9 = 12 3 = 11 8= 15 7 = 14 5 = 12 9 = 17 9 =16-8= 15-7= 8+7= 7+7= 15-8= 11-2= 13-6= 15-8= 15-6= 14-6= 班级 姓名 7 + 8 = 9 + 5 = 15 8 = 14 - 9 = 12 3 = 11 8= 15 7 = 14 5 = 12 9 = 17 9 =16-8= 15-7= 8+7= 7+7= 15-8= 11-2= 13-6= 15-8= 15-6= 14-6= 7 + 9 - 8= 13 4 + 9 = 17 7 - 4 = 10 + 5 6 = 4+6+9= 15-7+6= 16-9-5= 17-8+5= 3+8+7= 4+9-4= 13-7+9= 18-9-9= 9+1+6= 12-7-4= 13-5-5= 17-9-4= 5+4+5= 17-8+1= 15-7+4= 17-8-4= 7 + 9 - 8= 13 4 + 9 = 17 7 - 4 = 10 + 5 6 = 4+6+9= 15-7+6= 16-9-5= 17-8+5= 3+8+7= 4+9-4= 13-7+9= 18-9-9= 9+1+6= 12-7-4= 13-5-5= 17-9-4= 5+4+5= 17-8+1= 15-7+4= 17-8-4= 7 + 9 - 8= 13 4 + 9 = 17 7 - 4 = 10 + 5 6 = 4+6+9= 15-7+6= 16-9-5= 17-8+5= 3+8+7= 4+9-4= 13-7+9= 18-9-9= 9+1+6= 12-7-4= 13-5-5= 17-9-4= 5+4+5= 17-8+1= 15-7+4= 17-8-4= 7 + 9 - 8= 13 4 + 9 = 17 7 - 4 = 10 + 5 6 = 4+6+9= 15-7+6= 16-9-5= 17-8+5= 3+8+7= 4+9-4= 13-7+9= 18-9-9= 9+1+6= 12-7-4= 13-5-5= 17-9-4= 5+4+5= 17-8+1= 15-7+4= 17-8-4=