问题 解答题
口算
65+37×0=28×0÷54=4×28×25=100×3÷100×3=
25×28=50-25÷5=2.7×0.03=2.4÷0.06=
4.2÷3=1×0.94=1.2×0.8=0.39÷1.3=
1-
8
9
=
1
8
+
7
8
=
1
4
-
1
9
=
1
4
+
1
6
=
答案

65+37×0=6528×0÷54=04×28×25=2800100×3÷100×3=9
25×28=70050-25÷5=452.7×0.03=0.0812.4÷0.06=40
4.2÷3=1.41×0.94=0.941.2×0.8=0.960.39÷1.3=0.3
1-
8
9
=
1
9
1
8
+
7
8
=1
1
4
-
1
9
=
5
36
1
4
+
1
6
=
5
12

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