$1+8=
$7+2=
$6+2=
$9-8=
$9-5=
$8-3=
$8-5=
$6+3=
$5+3=
$7+1=
$9-2=
$7-3=
$9-7=
$3+6=
$8-2=
$6+1=
$9-1=
$5+4=
$9-3=
$8+0=
$3+5=
$4+4=
$9-6=
$4+2=
$6-3=
$2+4=
$9-4=
$2+7=
$8-4=
$4+5=
$8-6=
$3+4=
$8-7=
$7-2=
$1+7=
$5+2=
$2+6=
$8+1=
$7-4=
$6-4=
$7-5=
$3+3=
$1+6=
$6-2=
$2+5=
$5-4=
$8-1=
$4+3=
9
$$7+2=
9
$$6+2=
8
$$9-8=
1
$$9-5=
4
$$8-3=
5
$$8-5=
3
$$6+3=
9
$$5+3=
8
$$7+1=
8
$$9-2=
7
$$7-3=
4
$$9-7=
2
$$3+6=
9
$$8-2=
6
$$6+1=
7
$$9-1=
8
$$5+4=
9
$$9-3=
6
$$8+0=
8
$$3+5=
8
$$4+4=
8
$$9-6=
3
$$4+2=
6
$$6-3=
3
$$2+4=
6
$$9-4=
5
$$2+7=
9
$$8-4=
4
$$4+5=
9
$$8-6=
2
$$3+4=
7
$$8-7=
1
$$7-2=
5
$$1+7=
8
$$5+2=
7
$$2+6=
8
$$8+1=
9
$$7-4=
3
$$6-4=
2
$$7-5=
2
$$3+3=
6
$$1+6=
7
$$6-2=
4
$$2+5=
7
$$5-4=
1
$$8-1=
7
$$4+3=
7
$
答案:
解析:这些题目都是基础的加减法口算题,主要考查一年级学生的基本运算能力。
答案:
$1 + 8 = 9$
$7 + 2 = 9$
$6 + 2 = 8$
$9 - 8 = 1$
$9 - 5 = 4$
$8 - 3 = 5$
$8 - 5 = 3$
$6 + 3 = 9$
$5 + 3 = 8$
$7 + 1 = 8$
$9 - 2 = 7$
$7 - 3 = 4$
$9 - 7 = 2$
$3 + 6 = 9$
$8 - 2 = 6$
$6 + 1 = 7$
$9 - 1 = 8$
$5 + 4 = 9$
$9 - 3 = 6$
$8 + 0 = 8$
$3 + 5 = 8$
$4 + 4 = 8$
$9 - 6 = 3$
$4 + 2 = 6$
$6 - 3 = 3$
$2 + 4 = 6$
$9 - 4 = 5$
$2 + 7 = 9$
$8 - 4 = 4$
$4 + 5 = 9$
$8 - 6 = 2$
$3 + 4 = 7$
$8 - 7 = 1$
$7 - 2 = 5$
$1 + 7 = 8$
$5 + 2 = 7$
$2 + 6 = 8$
$8 + 1 = 9$
$7 - 4 = 3$
$6 - 4 = 2$
$7 - 5 = 2$
$3 + 3 = 6$
$1 + 6 = 7$
$6 - 2 = 4$
$2 + 5 = 7$
$5 - 4 = 1$
$8 - 1 = 7$
$4 + 3 = 7$
答案:
$1 + 8 = 9$
$7 + 2 = 9$
$6 + 2 = 8$
$9 - 8 = 1$
$9 - 5 = 4$
$8 - 3 = 5$
$8 - 5 = 3$
$6 + 3 = 9$
$5 + 3 = 8$
$7 + 1 = 8$
$9 - 2 = 7$
$7 - 3 = 4$
$9 - 7 = 2$
$3 + 6 = 9$
$8 - 2 = 6$
$6 + 1 = 7$
$9 - 1 = 8$
$5 + 4 = 9$
$9 - 3 = 6$
$8 + 0 = 8$
$3 + 5 = 8$
$4 + 4 = 8$
$9 - 6 = 3$
$4 + 2 = 6$
$6 - 3 = 3$
$2 + 4 = 6$
$9 - 4 = 5$
$2 + 7 = 9$
$8 - 4 = 4$
$4 + 5 = 9$
$8 - 6 = 2$
$3 + 4 = 7$
$8 - 7 = 1$
$7 - 2 = 5$
$1 + 7 = 8$
$5 + 2 = 7$
$2 + 6 = 8$
$8 + 1 = 9$
$7 - 4 = 3$
$6 - 4 = 2$
$7 - 5 = 2$
$3 + 3 = 6$
$1 + 6 = 7$
$6 - 2 = 4$
$2 + 5 = 7$
$5 - 4 = 1$
$8 - 1 = 7$
$4 + 3 = 7$
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