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下面各题怎样算简便就怎样算180-60×2355÷71+25159-37-63(52+41)×4720÷(18×5)36+47+53

题目详情
下面各题怎样算简便就怎样算
180-60×2   
355÷71+25    159-37-63
(52+41)×4    720÷(18×5) 36+47+53
▼优质解答
答案和解析
(1)180-60×2
=180-120
=60;

(2)355÷71+25   
=5+25
=30;

(3)159-37-63
=159-(37+63)
=159-100
=59;

(4)(52+41)×4
=93×4
=372;

(5)720÷(18×5)
=720÷90
=8;

(6)36+47+53
=36+(47+53)
=36+100
=136.