口算23×1.8=67+23-67=23+34-23+34=7.8÷0.01=-数学

题目简介

口算23×1.8=67+23-67=23+34-23+34=7.8÷0.01=-数学

题目详情

口算
2
3
×1.8=
6
7
+
2
3
-
6
7
=
2
3
+
3
4
-
2
3
+
3
4
=
7.8÷0.01=
题型:解答题难度:中档来源:不详

答案

class="stub"2
3
×1.8=1.2,
class="stub"6
7
+class="stub"2
3
-class="stub"6
7
=class="stub"2
3
class="stub"2
3
+class="stub"3
4
-class="stub"2
3
+class="stub"3
4
=class="stub"3
2
7.8÷0.01=780.
故答案为:1.2,class="stub"2
3
class="stub"3
2
,780.

更多内容推荐