4.82÷0.25+1.25 ÷ 0.25
=(4.82+1.25)÷ 0.25
=6.1 ÷ 0.25
=24.28
扩展资料:
简便计算的几种方法
1、加法交换律:a+b=b+a
2、加法结合律:a+b+c=a+(b+c)
3、乘法交换律:a*b=b*a
4、乘法结合律:a*b*c=a*(b*c)
5、乘法分配律:a(b+c)=ab+ac
6、减法性质:a-b-c=a-(b+c)
7、除法性质:a/b/c=a/(b*c)
(4.82+1.25)÷0.25
=6.07÷0.25
=24.28
=4.82÷1/4+1.25÷1/4
=4.82×4+1.25×4
=(4.82+1.25)X4
(4.82十1.25)÷0.25
(4·82十l·25)÷0·25