问题
解答题
递等式计算,能简便的算式要简便计算
|
答案
(1)1300÷25÷4,
=1300÷(25×4),
=1300÷100,
=13;
(2)125×32×25,
=(125×8)×(4×25),
=1000×100,
=100000;
(3)213×35+213×65,
=213×(35+65),
=213×100,
=21300;
(4)10900+35×54,
=10900+1890,
=12790;
(5)156×l0l-156,
=156×(l00-l),
=156×100,
=15600;
(6)952÷34×68,
=28×68,
=1904.