题目内容
脱式计算.
1.08×0.8÷0.27
44.28÷0.9÷4.1
2.05÷0.82+33.6.
1.08×0.8÷0.27
44.28÷0.9÷4.1
2.05÷0.82+33.6.
分析:(1)先算乘法,再算除法;
(2)按照从左到右的顺序计算即可;
(3)先算除法,再算加法.
(2)按照从左到右的顺序计算即可;
(3)先算除法,再算加法.
解答:解:(1)1.08×0.8÷0.27
=0.864÷0.27
=3.2;
(2)44.28÷0.9÷4.1
=49.2÷4.1
=12;
(3)2.05÷0.82+33.6
=2.5+33.6
=36.1.
=0.864÷0.27
=3.2;
(2)44.28÷0.9÷4.1
=49.2÷4.1
=12;
(3)2.05÷0.82+33.6
=2.5+33.6
=36.1.
点评:小数混合运算的关键搞清运算顺序,正确安运算顺序计算即可;计算注意小数点的位置.
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