早教吧 育儿知识 作业答案 考试题库 百科 知识分享

能简算计算的要简便计算.360÷9+3×2133+146+67+54456-77-12346×102-46×2927÷[630÷(34+36)]720÷45.

题目详情
能简算计算的要简便计算.
360÷9+3×21           33+146+67+54              456-77-123
46×102-46×2              927÷[630÷(34+36)]720÷45.
能简算计算的要简便计算.
360÷9+3×21           33+146+67+54              456-77-123
46×102-46×2              927÷[630÷(34+36)]720÷45.

360÷9+3×21           33+146+67+54              456-77-123
46×102-46×2              927÷[630÷(34+36)]720÷45.
360÷9+3×21           33+146+67+54              456-77-12346×102-46×2              927÷[630÷(34+36)]720÷45.360÷9+3×21           33+146+67+54              456-77-123360÷9+3×21           33+146+67+54              456-77-12346×102-46×2              927÷[630÷(34+36)]720÷45.46×102-46×2              927÷[630÷(34+36)]720÷45.
▼优质解答
答案和解析
(1)360÷9+3×21
=40+63
=103;

(2)33+146+67+54
=33+67+(54+146)
=100+200
=300;

(3)456-77-123
=456-(77+123)
=456-200
=256;

(4)46×102-46×2
=46×(102-2)
=46×100
=4600;

(5)927÷[630÷(34+36)]
=927÷[630÷70]
=927÷9
=103;

(6)720÷45
=720÷9÷5
=80÷5
=16.