解:原式= -56×0。81-62。15×(7。35)+65×2。7+02×4。2-51×6。3-14×84。60 =-1-6。10+44+81-36-54 =-1-2。50 =-708。502011-10-31 5:25:51
-32又16/25÷(-8×4)+2.5²+(1/2+2/3-3/4-11/12)×24=32又16/25÷32+6.25+12+16-18-22=1+0.02+6.25+12+16-18-22=-11+0.02+6.25=-11+6.27=-4.73