直接写出得数.19×3=1-23=12÷3=(12-13)×12=34×23=5÷15=521×7=1÷(14×15)=45÷25=12×6=58+12=17×13×21=100×825=67÷27=

题目简介

直接写出得数.19×3=1-23=12÷3=(12-13)×12=34×23=5÷15=521×7=1÷(14×15)=45÷25=12×6=58+12=17×13×21=100×825=67÷27=

题目详情

直接写出得数.
1
9
×3=
1-
2
3
=
1
2
÷3=
1
2
-
1
3
)×12=
3
4
×
2
3
=
1
5
=
5
21
×7=
1÷(
1
4
×
1
5
)=
4
5
÷
2
5
=
1
2
×6=
5
8
+
1
2
=
1
7
×
1
3
×21=
100×
8
25
=
6
7
÷
2
7
=
1
2
-
1
3
=
1
4
÷4×
1
4
=
题型:解答题难度:中档来源:不详

答案

class="stub"1
9
×3=class="stub"1
3
1-class="stub"2
3
=class="stub"1
3
class="stub"1
2
÷3=class="stub"1
6
class="stub"1
2
-class="stub"1
3
)×12=2
class="stub"3
4
×class="stub"2
3
=class="stub"1
2
class="stub"1
5
=25
class="stub"5
21
×7=class="stub"5
3
1÷(class="stub"1
4
×class="stub"1
5
)=20
class="stub"4
5
÷class="stub"2
5
=2
class="stub"1
2
×6=3
class="stub"5
8
+class="stub"1
2
=class="stub"9
8
class="stub"1
7
×class="stub"1
3
×21=1
100×class="stub"8
25
=32
class="stub"6
7
÷class="stub"2
7
=3
class="stub"1
2
-class="stub"1
3
=class="stub"1
6
class="stub"1
4
÷4×class="stub"1
4
=class="stub"1
16

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