16×[338÷(102-89)]简便计算?
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16×[338÷(102-89)]
=16×[338÷(102-100+11)]
=16×[338÷13]
=16×(29+11/13)
=16×29+16×11/13
=464+176/13
=464+13+7/13
=477又7/13
=16×[338÷(102-100+11)]
=16×[338÷13]
=16×(29+11/13)
=16×29+16×11/13
=464+176/13
=464+13+7/13
=477又7/13
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