390×0.02=12-14=5-1.4-1.6=0.9-0.26=81÷95=4×(0.6+1.9)=0.23×400=78×17=59-56+49=0.9+99×0.9=-数学

题目简介

390×0.02=12-14=5-1.4-1.6=0.9-0.26=81÷95=4×(0.6+1.9)=0.23×400=78×17=59-56+49=0.9+99×0.9=-数学

题目详情

390×0.02=
1
2
-
1
4
=
5-1.4-1.6=0.9-0.26=
81÷
9
5
=
4×(0.6+1.9)=0.23×400=
7
8
×
1
7
=
5
9
-
5
6
+
4
9
=
0.9+99×0.9=
题型:解答题难度:中档来源:不详

答案

390×0.02=7.8,class="stub"1
2
-class="stub"1
4
=class="stub"1
4
5-1.4-1.6=2,0.9-0.26=0.64,
81÷class="stub"9
5
=45,
4×(0.6+1.9)=10,0.23×400=92,class="stub"7
8
×class="stub"1
7
=class="stub"1
8
class="stub"5
9
-class="stub"5
6
+class="stub"4
9
=class="stub"1
6
0.9+99×0.9=90.

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