口算.(1)7.2+2.08=(2)13+14=(3)710÷12=(4)0÷0.99=(5)32×0.125=(6)0.75×3÷34=(7)15+3.2÷16×4=(8)12-12×12=(9)0.8÷0.01=(10)10×13-1÷3=(11)8.4÷0.7=(12)23×5÷23×5(1-数学

题文

口算.
(1)7.2+2.08=
(2)
1
3
+
1
4
=
(3)
7
10
÷
1
2
=
(4)0÷0.99=
(5)32×0.125=
(6)0.75×3÷
3
4
=
(7)
1
5
+3.2÷16×4=
(8)
1
2
-
1
2
×
1
2
=
(9)0.8÷0.01=
(10)10×
1
3
-1÷3=
(11)8.4÷0.7=
(12)
2
3
×5÷
2
3
×5
(13)0.23=
题型:解答题  难度:中档

答案

(1)7.2+2.08=9.28,
(2)
1
3
+
1
4
=
7
12

(3)
7
10
÷
1
2
=1
2
5

(4)0÷0.99=0,
(5)32×0.125=4,
(6)0.75×3÷
3
4
=3,
(7)
1
5
+3.2÷16×4=1,
(8)
1
2
-
1
2
×
1
2
=
1
4

(9)0.8÷0.01=80,
(10)10×
1
3
-1÷3=3,
(11)8.4÷0.7=12
(12)
2
3
×5÷
2
3
×5=25,
(13)0.23=0.008.

据专家权威分析,试题“口算.(1)7.2+2.08=(2)13+14=(3)710÷12=(4)0÷0.99=(5)32×0.12..”主要考查你对  小数的加法和减法  等考点的理解。关于这些考点的“档案”如下: