1- + = | = | = | 7.1+ = |
= | 7÷ = | 9-0.9= | 65÷0.05= |
| 0÷0.1-0.1×1= | 8-0.08= | 2÷2%= | 0×(-5)= |
+
=
1÷
×
=
0.6-
+0.6=1
7.1+
=
(
+
)×24=10 7÷
×7×
=49 9-0.9=8.1 65÷0.05=13000÷0.1-0.1×1=9
8-0.08=7.92 2÷2%=100 0×(-5)=0分析:根据小数、分数四则运算的计算法则,直接进行口算即可.
点评:此题考查的目的是理解掌握小数、分数加、减、乘、除法的计算法则,并且能够正确熟练地进行口算,提高口算能力.
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