题目内容
脱式计算.
6.8×0.75÷0.5
13.75÷0.125-2.75
1.53+23.4÷7.2.
6.8×0.75÷0.5
13.75÷0.125-2.75
1.53+23.4÷7.2.
分析:依据小数四则混合运算的运算顺序和计算法则计算即可.
解答:解:6.8×0.75÷0.5,
=5.1÷0.5,
=10.2,
13.75÷0.125-2.75,
=110-2.75,
=107.25,
1.53+23.4÷7.2,
=1.53+3.25,
=4.78.
=5.1÷0.5,
=10.2,
13.75÷0.125-2.75,
=110-2.75,
=107.25,
1.53+23.4÷7.2,
=1.53+3.25,
=4.78.
点评:这三道题主要考查小数加减乘除四则运算的计算法则,做题时注意运算顺序.
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