解:618一(352一282)等于( 548 )
∵已知需求出618一(352一282)等于多少
X - (Y - Z)= X - Y + Z
∴618 - (352 - 282)
= 618 - 352 + 282
= 618 + 282 - 352
= 900 - 352
= 548
答:618一(352一282)等于548
简便计算过程方法如下
解:618-(352-282)
=618-70
=548
=(617+282)-352
=900-352
=548