2.22×99+6.66×6.7怎么简算?
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2.22×99+6.66×67怎么简算?
2.22×99+6.66×67
=2.22*3*33+6.66*67
=6.66*33+6.66*67
=6.66*(33+67)
=6.66*100
=666
2.22×99+6.66×67
=2.22*3*33+6.66*67
=6.66*33+6.66*67
=6.66*(33+67)
=6.66*100
=666
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