被除数、除数、商、余数的和是2143,已知商是33,余数是52,被除数是_.
问题描述:
被除数、除数、商、余数的和是2143,已知商是33,余数是52,被除数是______.
答
设除数为x,则:
(33x+52)+x+33+52=2143,
34x+137=2143,
34x+137-137=2143-137,
34x=2006,
x=59;
33×59+52,
=1947+52,
=1999;
答:被除数是1999;
故答案为:1999.