37+67+37+67=______×______;0.27×598≈______.-数学

题目简介

37+67+37+67=______×______;0.27×598≈______.-数学

题目详情

3
7
+
6
7
+
3
7
+
6
7
=______×______;0.27×598≈______.
题型:填空题难度:中档来源:不详

答案

(1)class="stub"3
7
+class="stub"6
7
+class="stub"3
7
+class="stub"6
7

=(class="stub"3
7
+class="stub"3
7
)+class="stub"6
7
+class="stub"6
7

=class="stub"6
7
+class="stub"6
7
+class="stub"6
7

=class="stub"6
7
×3;

(2)0.27×598,
=0.3×600,
≈180.
故答案为:class="stub"6
7
,3,180.

更多内容推荐