问题
解答题
用你喜欢的方法计算:
(1)70.8-1.25-1.75
(2)(8+0.8)×1.25
(3)9.4×[0.96÷(5.4÷0.9)].
答案
(1)70.8-1.25-1.75,
=70.8-(1.25+1.75),
=70.8-3,
=67.8;
(2)(8+0.8)×1.25,
=8×1.25+0.8×1.25,
=10+1,
=11;
(3)9.4×[0.96÷(5.4÷0.9)],
=9.4×[0.96÷6],
=9.4×0.16,
=1.504.