口算0.75÷15=23-23×0=34×4÷34×4=0.5×(2.6-2.4)=18910÷9=12×(14+16)=250×15+250×45=2.5×3.5×0.4=-六年级数学

题目简介

口算0.75÷15=23-23×0=34×4÷34×4=0.5×(2.6-2.4)=18910÷9=12×(14+16)=250×15+250×45=2.5×3.5×0.4=-六年级数学

题目详情

口算
0.75÷15=
2
3
-
2
3
×0
=
3
4
×4÷
3
4
×4=
0.5×(2.6-2.4)=
18
9
10
÷9=
12×(
1
4
+
1
6
)=
250×
1
5
+250×
4
5
=
2.5×3.5×0.4=
题型:解答题难度:中档来源:不详

答案

0.75÷15=0.05,class="stub"2
3
-class="stub"2
3
×0
=class="stub"2
3
class="stub"3
4
×4÷class="stub"3
4
×4=16,
0.5×(2.6-2.4)=0.1,
18class="stub"9
10
÷9=2.1,
12×(class="stub"1
4
+class="stub"1
6
)=5,
250×class="stub"1
5
+250×class="stub"4
5
=250,
2.5×3.5×0.4=3.5.

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