236乘81加418乘19加182乘31的答案是?

问题描述:

236乘81加418乘19加182乘31的答案是?

236×81+418×19+182×31
=236×81+182×31+418×19
=236×31+182×31+418×19+236×50
=(236+182)×31+418×19+236×50
=418×31+418×19+236×50
=418×50+236×50
=654×50
=32700