0.125×3/4+1/8×8.25+12.5％简便计算

0.125×3/4+1/8×8.25+12.5％简便计算
0.125×3/4+1/8×8.25+12.5％简便计算

0.125×3/4+1/8×8.25+12.5％简便计算
0.125×3/4+1/8×8.25+12.5％
=0.125×(3/4+8.25+1)
=0.125×10
=1.25

0.125=1/8=12.5％
所以 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

=0.125*0.75+0.125*8.25+0.125
=0.125*(0.75+8.25+1)
=0.125*10
=1.25