文档介绍：+= ÷24=
×5=
3
7
7
×
10
=
×2= ×= ×=
9
－
10 =
－=
×=
6×=
－=
×=
×100=
×=
÷=
÷7=
+=
－=
÷4=
÷13=
÷5=
÷41=
10÷20=
24÷15=
×10=
2
3
5
5
4
4
5
8
9
5
4
2
3
×
=
3
12
×
3
4
1
4
－
=
＝
＝
=
＝
6
11
=
10－
2
3
×12=
3
7
14×
=
=
5
5
0×
6
=
1
÷
=
2
÷4=
4
×
=
5
5
5÷
6
=
2
÷
=
3
1
2
1
4
＋
2
3
5
8
×
4
9
1
9
×
3
5
×15=
1
3
1
8
×
5
11
÷
÷100= ×6=
1
6
2
÷
3 =
7
10
×
12
7
＝
÷=
×8=
÷=
÷2=
÷28=
÷=
÷=
÷=
×=
×100=
×=
×=
÷=
÷9=
÷=
÷2=
3
4
1
÷
8
1
－
6
3
＋
4
1
×
9
3
×
4
9
×
4
1
×
4
×16×8=
1
3
1
8
÷
＝
1
4
(
＋
1
3
)×4=
1
2
1
－
3 =
7
16
×
16
7
＝
16
35
÷
4
7 =
5
18
÷
12
27
=
1
4
1
4
÷
=
＝
1
3
=
1
=
4
3
1÷
4 =
1
＝
5
4
5
=
2
3
＝
4
5
=
1
3
5
15÷
＝
14
15
9
－
16
=
=
1
5
1
3
=
7
20
÷
＝
9
8×
＝
16
4
7
1
÷
14
2
3
4
÷
15
7÷＝
÷ ＝
＋ ＝
1 1
（ ＋
）× 12＝
3 4
×
4
5
×8＝
10－＝
＋＋＝
4 1
－ ＝
5 3
11 5
1
＋ ＝
－
12 6
12
3
8
×
2
5
=
÷26=
×11－=
8
÷4=
9
5
4
4
5
=
×
5
=
6
5÷
2
3
÷
2
3
=
1
4
÷
1
3
=
2
×2=
13
5
×13=
26
6
×2=
1
×
2
1
÷
2
2
3
4
5
4
8
5
6
×4÷
＝
1
（ ＋
）× 24=
4
＋=
3 1
8 3
7
3
=
5
1
=
7
24÷
3
=
8
5
=
8
5
1
5
3
5
× 6=
1
3
1
÷
2
(
2
3
5
5
4
0 ×
3
5