666乘222加333乘以556怎么简便计算

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666乘222加333乘以556怎么简便计算666乘222加333乘以556怎么简便计算666乘222加333乘以556怎么简便计算666乘222加333乘以556=666×222+333×2×278

666乘222加333乘以556怎么简便计算
666乘222加333乘以556怎么简便计算

666乘222加333乘以556怎么简便计算
666乘222加333乘以556
=666×222+333×2×278
=666×222+666×278
=666×(222+278)=666×500=333000

=333(2*222+556)
=333000

666*222+333*556
=2*333*222+333*556
=333*(444+556)
=333000

666*222+333*556=333*2*222+333*556=333*(2*222+556)=333*(444+556)=333*1000=333000