怎样简便就怎样算;168+52+48125×72(4+8)×25125×32×8136×99156×l0l-156.-数学

题目简介

怎样简便就怎样算;168+52+48125×72(4+8)×25125×32×8136×99156×l0l-156.-数学

题目详情

怎样简便就怎样算;
168+52+48125×72(4+8)×25125×32×8136×99156×l0l-156.
题型:解答题难度:中档来源:不详

答案

(1)168+52+48,
=168+(52+48),
=168+100,
=268;

(2)125×72,
=125×8×9,
=1000×9,
=9000;

(3)(4+8)×25,
=4×25+8×25,
=100+200,
=300;

(4)125×32×8,
=125×8×32,
=1000×32,
=32000;

(5)136×99,
=136×(100-1),
=136×100-136×1,
=13600-136,
=13464;

(6)156×l0l-156,
=156×(101-1),
=156×100,
=15600.

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