28.67*67+12.5*67+41.17×13
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28.67*67+12.5*67+41.17×13
=67*（28.67+12.5）+41.17×13
=67*41.17+41.17×13
=41.17×（67+13）
=41.17×80
=3293.6
=67*（28.67+12.5）+41.17×13
=67*41.17+41.17×13
=41.17×（67+13）
=41.17×80
=3293.6
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展开全部
28.67×67+12.5×67+41.17×13
=（28.67+12.5）×67+41.17×13
=41.17×67+41.17×13
=41.17×（67+13）
=41.17×80
=3293.6
=（28.67+12.5）×67+41.17×13
=41.17×67+41.17×13
=41.17×（67+13）
=41.17×80
=3293.6
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