问题
解答题
计算下面各题.
46.2-46.2÷(4.9+2.8)
(3618÷18-140)×27.
答案
(1)46.2-46.2÷(4.9+2.8),
=46.2-46.2÷7.7,
=46.2-6,
=40.2;
(2)(3618÷18-140)×27,
=(201-140)×27,
=61×27,
=1647.
计算下面各题.
46.2-46.2÷(4.9+2.8)
(3618÷18-140)×27.
(1)46.2-46.2÷(4.9+2.8),
=46.2-46.2÷7.7,
=46.2-6,
=40.2;
(2)(3618÷18-140)×27,
=(201-140)×27,
=61×27,
=1647.