0.125×3/4+1/8×8.25+12.5%
问题描述:
0.125×
+3 4
×8.25+12.5% 1 8
答
0.125×
+3 4
×8.25+12.5%,1 8
=0.125×0.75+0.125×8.25+0.125,
=0.125×(0.75+8.25+1),
=0.125×10,
=1.25.