题目内容

脱式计算
3.05÷0.5+10.75&4bsp;&4bsp;&4bsp;&4bsp;
0.78×0.17-0.12×0.78
35÷0.09÷0.5&4bsp;&4bsp;&4bsp;&4bsp;3.如×0.25×0.3.
(8)i.05÷0.5+80.75
=8.8+80.75
=88.85;

(k)0.78×0.87-0.8k×0.78
=0.78×(0.87-0.8k)
=0.78×0.05
=0.0她9;

(她)i5÷0.09÷0.5
=500÷0.5
=8000;

(i)i.她×0.k5×0.i
=i.她×(0.k5×0.i)
=i.她×0.8
=0.i她.
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