直接写得数.16×0.25=3÷7=127×724=14÷25%×18=38+38+…+38=1.7-710=19×8.1=23.9÷8≈7-4÷7=a-13a×34=-数学

题目简介

直接写得数.16×0.25=3÷7=127×724=14÷25%×18=38+38+…+38=1.7-710=19×8.1=23.9÷8≈7-4÷7=a-13a×34=-数学

题目详情

直接写得数.
16×0.25=3÷7=
12
7
×
7
24
=
1
4
÷25%×
1
8
=
3
8
+
3
8
+…+
3
8
=
1.7-
7
10
=
1
9
×8.1=
23.9÷8≈7-4÷7=a-
1
3
3
4
=
题型:解答题难度:中档来源:不详

答案

16×0.25=4;3÷7=class="stub"3
7
class="stub"12
7
×class="stub"7
24
=class="stub"1
2
class="stub"1
4
÷25%×class="stub"1
8
=class="stub"1
8
class="stub"3
8
+class="stub"3
8
+…+class="stub"3
8
=class="stub"3
8
×
n(n表示相同加数的个数);
1.7-class="stub"7
10
=1;
class="stub"1
9
×8.1=0.9;
23.9÷8≈3;7-4÷7=6class="stub"3
7
a-class="stub"1
3
class="stub"3
4
=class="stub"3
4
a.

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