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怎样算简便就怎样算425÷(155-130)(765-230)×45109+127+73608-154-146165-97258+98.

题目详情
怎样算简便就怎样算
425÷(155-130) (765-230)×45 109+127+73
608-154-146 165-97 258+98.
▼优质解答
答案和解析
(1)425÷(155-130),
=425÷25,
=17;

(2)(765-230)×45,
=535×45,
=24075;

(3)109+127+73,
=109+(127+73),
=109+200,
=309;

(4)608-154-146,
=608-(154+146),
=608-300,
=308;

(5)165-97,
=165-(100-3),
=165-100+3,
=65+3,
=68;

(6)258+98,
=258+(100-2),
=258+100-2,
=358-2,
=356.