题目内容

口算

89＋32 =

答案：121
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口算我最行．
0.25×2= 89.3×0.6= 5÷0.25= 6.5×6.7+3.5×6.7=
9.6÷32= 65÷1.3= 0.28÷4= 50×7.89×0.2=
1÷4= 28÷0.02= 28÷0.5= 0.4×3.2×2.5=
口算
3
8
÷
1
12
=		 32×
1
3
=		 1-
3
8
-
5
8
=
1
6
×
9
7
=
2-
4
5
=
5
7
×
7
5
-1=
3
4
+
1
2
=
8
9
×
3
4
=
口算：
2
3
-
1
4
=
3
4
×
8
9
=
6
7
÷3=		 5÷7+
2
7
=
1
4
×
3
8
+
5
8
×
1
4
=		 50×20%= 16-
2
5
-
3
5
=
7
9
×
3
4
÷
7
9
×
3
4
=
32×
1
4
×1.25=

口算

89－32－14=

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