9又3/4-15÷19-2/19*2(简算)
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![9又3/4-15÷19-2/19*2(简算)](/uploads/image/z/6078424-40-4.jpg?t=9%E5%8F%883%2F4-15%C3%B719-2%2F19%2A2%28%E7%AE%80%E7%AE%97%29)
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9又3/4-15÷19-2/19*2(简算)
9又3/4-15÷19-2/19*2(简算)
9又3/4-15÷19-2/19*2(简算)
9又3/4-15÷19-2/19*2
=9又3/4-(15/19+4/19)
=9又3/4-1
=8又3/4
9又3/4-15÷19-2/19*2
=9+3/4-15/19-4/19
=9+3/4-1
=8又3/4