口算.173-98=2.9+6.5=2.5×0.4=7÷1%=715×90=9×1.9+1.9=12-15=67-314+17=-数学

题目简介

口算.173-98=2.9+6.5=2.5×0.4=7÷1%=715×90=9×1.9+1.9=12-15=67-314+17=-数学

题目详情

口算.
173-98=
2.9+6.5=2.5×0.4=7÷1%=
7
15
×90=
9×1.9+1.9=
1
2
-
1
5
=
6
7
-
3
14
+
1
7
=
题型:解答题难度:中档来源:不详

答案

173-98=75;2.9+6.5=9.4;2.5×0.4=1;7÷1%=700;
class="stub"7
15
×90=42;
9×1.9+1.9=19;class="stub"1
2
-class="stub"1
5
=0.3;
class="stub"6
7
-class="stub"3
14
+class="stub"1
7
=class="stub"11
14

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