24x25+876x3
=6X4X25+900X3-24X3
=600+2700-72
=3300-72
=3228
24x25+876x3=600+2628=3228
精@@@@@@@@@@@@@@@@@@@@&&&&&&&&&&&&&&锐
24×25+876×3
=3×8×25+876×3
=3×200+876×3
=3×(200+876)
=3×1076
=3×(1000+80-4)
=3×1000+3×80-3×4
=3000+240-12
=3240-10-2
=3230-2
=3228