问题
解答题
用喜欢的方法计算下面各题.
3.7+3.7×9
8.8×12.5
5.4÷1.25÷8
3.59×0.64+0.36×3.59.
答案
(1)3.7+3.7×9,
=3.7×(1+9),
=3.7×10,
=37;
(2)8.8×12.5,
=(8×1.1)×12.5,
=(8×12.5)×1.1,
=100×1.1,
=110;
(3)5.4÷1.25÷8,
=5.4÷(1.25×8),
=5.4÷10,
=0.54;
(4)3.59×0.64+0.36×3.59,
=3.59×(0.64+0.36),
=3.59×1,
=3.59.