3/4x39+3/4x25+26/4x3/13简算
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3/4x39+3/4x25+26/4x3/13
=3/4x39+3/4x25+3/4x3x2
=3/4×(39+25+2)
=3/4×66
=49.5
=3/4x39+3/4x25+3/4x3x2
=3/4×(39+25+2)
=3/4×66
=49.5
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3/4x39+3/4x25+26/4x3/13
=3/4x39+3/4x25+3/4x26/13
=3/4x(39+25+2)
=3/4x66
=99/2
=3/4x39+3/4x25+3/4x26/13
=3/4x(39+25+2)
=3/4x66
=99/2
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3/4x39+3/4x25+26/4x3/13
=(3/4)(39+25+2)
=(3/4)*66
=99/2;
=(3/4)(39+25+2)
=(3/4)*66
=99/2;
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