236乘81加418乘19加182乘31的答案是?

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236乘81加418乘19加182乘31的答案是?236乘81加418乘19加182乘31的答案是?236乘81加418乘19加182乘31的答案是?236×81+418×19+182×31=236×

236乘81加418乘19加182乘31的答案是?
236乘81加418乘19加182乘31的答案是?

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

32700

32700

236*81=19.116 418*19=7.942
182*31=5.642 19.116+7.942+5.642= 32.7

236X81+418X19+182X31 =19116+7942+5642=2700

=(236+182)*31+418*19+236*50
=418*31+418*19+236*50
=(236+418)*50
=32700

236×81+418×19+182×31
=236×81+(236+182)×19+182×31
=236×81+236×19+182×19+182×31
=236×(81+19)+182×(19+31)
=236×100+182×50
=23600+182×100÷2
=23600+18200÷2
=23600+9100
=32700