0.125×3/4+1/8×8.25+12.5%

问题描述:

0.125×

3
4
+
1
8
×8.25+12.5%

0.125×

3
4
+
1
8
×8.25+12.5%,
=0.125×0.75+0.125×8.25+0.125,
=0.125×(0.75+8.25+1),
=0.125×10,
=1.25.