总述：本次共解1题。其中
           ☆算术计算1题

〖1/1算式〗
    作业：求算式 15*1.15*2+1.5*1.25*2+2.9*3.5*2+2.2*2*3+2.7*3.3*3+2.9*1.2*3+(1.25+0.5+2.8*2.85)*3+2.25*3.3*3+2*2.8*3+2.9*2.8*2 的值.
    题型：数学计算
    解:
          15*1.15*2+1.5*1.25*2+2.9*3.5*2+2.2*2*3+2.7*3.3*3+2.9*1.2*3+(1.25+0.5+2.8*2.85)*3+2.25*3.3*3+2*2.8*3+2.9*2.8*2
        =15*1.15*2+1.5*1.25*2+2.9*3.5*2+2.2*2*3+2.7*3.3*3+2.9*1.2*3+9.73*3+2.25*3.3*3+2*2.8*3+2.9*2.8*2
        =17.25*2+1.5*1.25*2+2.9*3.5*2+2.2*2*3+2.7*3.3*3+2.9*1.2*3+9.73*3+2.25*3.3*3+2*2.8*3+2.9*2.8*2
        =34.5+1.5*1.25*2+2.9*3.5*2+2.2*2*3+2.7*3.3*3+2.9*1.2*3+9.73*3+2.25*3.3*3+2*2.8*3+2.9*2.8*2
        =34.5+1.875*2+2.9*3.5*2+2.2*2*3+2.7*3.3*3+2.9*1.2*3+9.73*3+2.25*3.3*3+2*2.8*3+2.9*2.8*2
        =34.5+3.75+2.9*3.5*2+2.2*2*3+2.7*3.3*3+2.9*1.2*3+9.73*3+2.25*3.3*3+2*2.8*3+2.9*2.8*2
        =34.5+3.75+10.15*2+2.2*2*3+2.7*3.3*3+2.9*1.2*3+9.73*3+2.25*3.3*3+2*2.8*3+2.9*2.8*2
        =34.5+3.75+20.3+2.2*2*3+2.7*3.3*3+2.9*1.2*3+9.73*3+2.25*3.3*3+2*2.8*3+2.9*2.8*2
        =34.5+3.75+20.3+4.4*3+2.7*3.3*3+2.9*1.2*3+9.73*3+2.25*3.3*3+2*2.8*3+2.9*2.8*2
        =34.5+3.75+20.3+13.2+2.7*3.3*3+2.9*1.2*3+9.73*3+2.25*3.3*3+2*2.8*3+2.9*2.8*2
        =34.5+3.75+20.3+13.2+8.91*3+2.9*1.2*3+9.73*3+2.25*3.3*3+2*2.8*3+2.9*2.8*2
        =34.5+3.75+20.3+13.2+26.73+2.9*1.2*3+9.73*3+2.25*3.3*3+2*2.8*3+2.9*2.8*2
        =34.5+3.75+20.3+13.2+26.73+3.48*3+9.73*3+2.25*3.3*3+2*2.8*3+2.9*2.8*2
        =34.5+3.75+20.3+13.2+26.73+10.44+9.73*3+2.25*3.3*3+2*2.8*3+2.9*2.8*2
        =34.5+3.75+20.3+13.2+26.73+10.44+29.19+2.25*3.3*3+2*2.8*3+2.9*2.8*2
        =34.5+3.75+20.3+13.2+26.73+10.44+29.19+7.425*3+2*2.8*3+2.9*2.8*2
        =34.5+3.75+20.3+13.2+26.73+10.44+29.19+22.275+2*2.8*3+2.9*2.8*2
        =34.5+3.75+20.3+13.2+26.73+10.44+29.19+22.275+5.6*3+2.9*2.8*2
        =34.5+3.75+20.3+13.2+26.73+10.44+29.19+22.275+16.8+2.9*2.8*2
        =34.5+3.75+20.3+13.2+26.73+10.44+29.19+22.275+16.8+8.12*2
        =34.5+3.75+20.3+13.2+26.73+10.44+29.19+22.275+16.8+16.24
        =38.25+20.3+13.2+26.73+10.44+29.19+22.275+16.8+16.24
        =58.55+13.2+26.73+10.44+29.19+22.275+16.8+16.24
        =71.75+26.73+10.44+29.19+22.275+16.8+16.24
        =98.48+10.44+29.19+22.275+16.8+16.24
        =108.92+29.19+22.275+16.8+16.24
        =138.11+22.275+16.8+16.24
        =160.385+16.8+16.24
        =177.185+16.24
        =193.425
    答案:15*1.15*2+1.5*1.25*2+2.9*3.5*2+2.2*2*3+2.7*3.3*3+2.9*1.2*3+(1.25+0.5+2.8*2.85)*3+2.25*3.3*3+2*2.8*3+2.9*2.8*2=193.425

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