(1)7.2+2.08=
(2)
+
=(3)
÷
=(4)0÷0.99=
(5)32×0.125=
(6)0.75×3÷
=(7)
+3.2÷16×4=(8)
-
×
=(9)0.8÷0.01=
(10)10×
-1÷3=(11)8.4÷0.7=
(12)
×5÷
×5(13)0.23=解:(1)7.2+2.08=9.28,
(2)
+
=
,(3)
÷
=1
,(4)0÷0.99=0,
(5)32×0.125=4,
(6)0.75×3÷
=3,(7)
+3.2÷16×4=1,(8)
-
×
=
,(9)0.8÷0.01=80,
(10)10×
-1÷3=3,(11)8.4÷0.7=12
(12)
×5÷
×5=25,(13)0.23=0.008.
分析:根据小数加法、分数的四则混合运算和有理数的计算方法进行计算即可.
点评:此题主要考查的是小数加法、分数的四则混合运算和有理数的计算.