3-(+63)-(-259)-(-41)等于多少,请写出过程
问题描述:
3-(+63)-(-259)-(-41)等于多少,请写出过程
答
原式=3-63+259+41
=240
答
3-(+63)-(-259)-(-41)
=3-63+259+41
=240
答
3-(+63)-(-259)-(-41)
=-60+259+41
=-60+(259+41)
=-60+300
=240
答
=3-63+259+41
=(3+259+41)-63
=240