口算.4.2÷67=521×3=1011÷5=(18+29)×72=14×12=29×1.8=34÷14=-数学

题目简介

口算.4.2÷67=521×3=1011÷5=(18+29)×72=14×12=29×1.8=34÷14=-数学

题目详情

口算.
4.2÷
6
7
=
5
21
×3=
10
11
÷5=
1
8
+
2
9
)×72=
1
4
×12=
2
9
×1.8=
3
4
÷
1
4
=
题型:解答题难度:中档来源:不详

答案

(1)4.2÷class="stub"6
7
=4.9
(2)class="stub"5
21
×3=class="stub"5
7
(3)class="stub"10
11
÷5=class="stub"2
11
(4)(class="stub"1
8
+class="stub"2
9
)×72=25
(5)class="stub"1
4
×12=3
(6)class="stub"2
9
×1.8=0.4
(7)class="stub"3
4
÷class="stub"1
4
=3

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