1
8-4+2=
8-7+6=
5-3+6=
1+3-4=
9-8+2=
8-6+7=
8-5+3=
5-2+6=
9-5+4=
4-1+3=
9-5+4=
5+4-4=
8-3+1=
8-4+2=
6
8-7+6=
7
5-3+6=
8
1+3-4=
0
9-8+2=
3
8-6+7=
9
8-5+3=
6
5-2+6=
9
9-5+4=
8
4-1+3=
6
9-5+4=
8
5+4-4=
5
8-3+1=
6
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加减法运算能力。按照从左到右的顺序依次计算即可。
答案:
$8 - 4 + 2 = 6$
$8 - 7 + 6 = 7$
$5 - 3 + 6 = 8$
$1 + 3 - 4 = 0$
$9 - 8 + 2 = 3$
$8 - 6 + 7 = 9$
$8 - 5 + 3 = 6$
$5 - 2 + 6 = 9$
$9 - 5 + 4 = 8$
$4 - 1 + 3 = 6$
$9 - 5 + 4 = 8$
$5 + 4 - 4 = 5$
$8 - 3 + 1 = 6$
答案:
$8 - 4 + 2 = 6$
$8 - 7 + 6 = 7$
$5 - 3 + 6 = 8$
$1 + 3 - 4 = 0$
$9 - 8 + 2 = 3$
$8 - 6 + 7 = 9$
$8 - 5 + 3 = 6$
$5 - 2 + 6 = 9$
$9 - 5 + 4 = 8$
$4 - 1 + 3 = 6$
$9 - 5 + 4 = 8$
$5 + 4 - 4 = 5$
$8 - 3 + 1 = 6$
2
8-7+7=
7-1+3=
5-5+8=
1+7-2=
9-2+2=
5-3+5=
8-8+5=
2+3-4=
9-8+2=
9-7+6=
6-4-1=
7-4+3=
4+3-1=
8-7+7=
7-1+3=
5-5+8=
1+7-2=
9-2+2=
5-3+5=
8-8+5=
2+3-4=
9-8+2=
9-7+6=
6-4-1=
7-4+3=
4+3-1=
答案:
8-7+7=8
7-1+3=9
5-5+8=8
1+7-2=6
9-2+2=9
5-3+5=7
8-8+5=5
2+3-4=1
9-8+2=3
9-7+6=8
6-4-1=1
7-4+3=6
4+3-1=6
7-1+3=9
5-5+8=8
1+7-2=6
9-2+2=9
5-3+5=7
8-8+5=5
2+3-4=1
9-8+2=3
9-7+6=8
6-4-1=1
7-4+3=6
4+3-1=6
3
9-1+1=
6-2+3=
7-5+3=
1+8-5=
9-2-1=
9-3+2=
9-4+1=
8-2+1=
2+6-6=
7-4-3=
9-9+9=
6-4+4=
6+3-8=
9-1+1=
9
6-2+3=
7
7-5+3=
5
1+8-5=
4
9-2-1=
6
9-3+2=
8
9-4+1=
6
8-2+1=
7
2+6-6=
2
7-4-3=
0
9-9+9=
9
6-4+4=
6
6+3-8=
1
答案:
9-1+1=9
6-2+3=7
7-5+3=5
1+8-5=4
9-2-1=6
9-3+2=8
9-4+1=6
8-2+1=7
2+6-6=2
7-4-3=0
9-9+9=9
6-4+4=6
6+3-8=1
6-2+3=7
7-5+3=5
1+8-5=4
9-2-1=6
9-3+2=8
9-4+1=6
8-2+1=7
2+6-6=2
7-4-3=0
9-9+9=9
6-4+4=6
6+3-8=1
查看更多完整答案,请扫码查看