六年级数学上册 《整式简便运算》专项练习

六年级数学上册 《整式简便运算》专项练习


简介:
(1)194+59+41+106, =(194+106)+(59+41), =300+100, =400; (2)383﹣(183+29), =383﹣183﹣29, =200﹣29, =171; (3)24×125, =3×8×125, =3×(8×125), =3×1000, =3000; (4)156+45﹣55, =155+1+45﹣55, =(155﹣55)+(45+1), =100+46, =146