600÷25×24
4800÷75+26×15
1750÷(318-268)
(785+469)+(215+531)
16×145+55×16
[96÷(75-59)+26]×35.
网友回答
解:(1)600÷25×24,
=24×24,
=576;
(2)4800÷75+26×15,
=64+390,
=454;
(3)1750÷(318-268),
=1750÷50,
=35;
(4)(785+469)+(215+531),
=(785+215)+(469+531),
=1000+1000,
=2000;
(5)16×145+55×16,
=(145+55)×16,
=200×16,
=3200;
(6)[96÷(75-59)+26]×35,
=[96÷16+26]×35,
=[6+26]×35,
=32×35,
=1120.
解析分析:(1)按照从左到右的顺序计算;
(2)先算除法和乘法,再算加法;
(3)先算小括号里面的减法,再算括号外的除法;
(4)运用加法交换律和结合律简算;
(5)运用乘法分配律简算;
(6)先算小括号里面的减法,再算中括号里面的除法,然后算中括号里面的加法,最后算括号外的乘法.
点评:本题考查了四则混合运算,注意运算顺序和运算法则,灵活运用所学的运算定律进行简便计算.