总述：本次共解7题。其中
           ☆算术计算7题

〖1/7算式〗
    作业：求算式 27.71+52.23+23.4+81.14+27.19+16.28+18.61+7.64+10.13+16.71+16.3 的值.
    题型：数学计算
    解:
          27.71+52.23+23.4+81.14+27.19+16.28+18.61+7.64+10.13+16.71+16.3
        =79.94+23.4+81.14+27.19+16.28+18.61+7.64+10.13+16.71+16.3
        =103.34+81.14+27.19+16.28+18.61+7.64+10.13+16.71+16.3
        =184.48+27.19+16.28+18.61+7.64+10.13+16.71+16.3
        =211.67+16.28+18.61+7.64+10.13+16.71+16.3
        =227.95+18.61+7.64+10.13+16.71+16.3
        =246.56+7.64+10.13+16.71+16.3
        =254.2+10.13+16.71+16.3
        =264.33+16.71+16.3
        =281.04+16.3
        =297.34
    答案:27.71+52.23+23.4+81.14+27.19+16.28+18.61+7.64+10.13+16.71+16.3=297.34
〖2/7算式〗
    作业：求算式 83.23+29.63+27.67+19.34+56.82+27.67+16.48+5.9+11.53+3.92+12.45 的值.
    题型：数学计算
    解:
          83.23+29.63+27.67+19.34+56.82+27.67+16.48+5.9+11.53+3.92+12.45
        =112.86+27.67+19.34+56.82+27.67+16.48+5.9+11.53+3.92+12.45
        =140.53+19.34+56.82+27.67+16.48+5.9+11.53+3.92+12.45
        =159.87+56.82+27.67+16.48+5.9+11.53+3.92+12.45
        =216.69+27.67+16.48+5.9+11.53+3.92+12.45
        =244.36+16.48+5.9+11.53+3.92+12.45
        =260.84+5.9+11.53+3.92+12.45
        =266.74+11.53+3.92+12.45
        =278.27+3.92+12.45
        =282.19+12.45
        =294.64
    答案:83.23+29.63+27.67+19.34+56.82+27.67+16.48+5.9+11.53+3.92+12.45=294.64
〖3/7算式〗
    作业：求算式 29.5+28.42+88.67+27.35+38.28+5.73+15.84+7.45+13.48+26.99+9.01 的值.
    题型：数学计算
    解:
          29.5+28.42+88.67+27.35+38.28+5.73+15.84+7.45+13.48+26.99+9.01
        =57.92+88.67+27.35+38.28+5.73+15.84+7.45+13.48+26.99+9.01
        =146.59+27.35+38.28+5.73+15.84+7.45+13.48+26.99+9.01
        =173.94+38.28+5.73+15.84+7.45+13.48+26.99+9.01
        =212.22+5.73+15.84+7.45+13.48+26.99+9.01
        =217.95+15.84+7.45+13.48+26.99+9.01
        =233.79+7.45+13.48+26.99+9.01
        =241.24+13.48+26.99+9.01
        =254.72+26.99+9.01
        =281.71+9.01
        =290.72
    答案:29.5+28.42+88.67+27.35+38.28+5.73+15.84+7.45+13.48+26.99+9.01=290.72
〖4/7算式〗
    作业：求算式 37.7+70.61+37.96+28.05+19.46+6.68+18.7+31.46+8.81+14.3+13.78 的值.
    题型：数学计算
    解:
          37.7+70.61+37.96+28.05+19.46+6.68+18.7+31.46+8.81+14.3+13.78
        =108.31+37.96+28.05+19.46+6.68+18.7+31.46+8.81+14.3+13.78
        =146.27+28.05+19.46+6.68+18.7+31.46+8.81+14.3+13.78
        =174.32+19.46+6.68+18.7+31.46+8.81+14.3+13.78
        =193.78+6.68+18.7+31.46+8.81+14.3+13.78
        =200.46+18.7+31.46+8.81+14.3+13.78
        =219.16+31.46+8.81+14.3+13.78
        =250.62+8.81+14.3+13.78
        =259.43+14.3+13.78
        =273.73+13.78
        =287.51
    答案:37.7+70.61+37.96+28.05+19.46+6.68+18.7+31.46+8.81+14.3+13.78=287.51
〖5/7算式〗
    作业：求算式 26.84+21.69+15.99+37.5+85.76+11.47+19.39+7.33+13.09+8.47+31.87 的值.
    题型：数学计算
    解:
          26.84+21.69+15.99+37.5+85.76+11.47+19.39+7.33+13.09+8.47+31.87
        =48.53+15.99+37.5+85.76+11.47+19.39+7.33+13.09+8.47+31.87
        =64.52+37.5+85.76+11.47+19.39+7.33+13.09+8.47+31.87
        =102.02+85.76+11.47+19.39+7.33+13.09+8.47+31.87
        =187.78+11.47+19.39+7.33+13.09+8.47+31.87
        =199.25+19.39+7.33+13.09+8.47+31.87
        =218.64+7.33+13.09+8.47+31.87
        =225.97+13.09+8.47+31.87
        =239.06+8.47+31.87
        =247.53+31.87
        =279.4
    答案:26.84+21.69+15.99+37.5+85.76+11.47+19.39+7.33+13.09+8.47+31.87=279.4
〖6/7算式〗
    作业：求算式 21.48+61.43+23.93+46.32+24.13+0.59+22.43+16.93+14.35+7.04+6.64+21.64 的值.
    题型：数学计算
    解:
          21.48+61.43+23.93+46.32+24.13+0.59+22.43+16.93+14.35+7.04+6.64+21.64
        =82.91+23.93+46.32+24.13+0.59+22.43+16.93+14.35+7.04+6.64+21.64
        =106.84+46.32+24.13+0.59+22.43+16.93+14.35+7.04+6.64+21.64
        =153.16+24.13+0.59+22.43+16.93+14.35+7.04+6.64+21.64
        =177.29+0.59+22.43+16.93+14.35+7.04+6.64+21.64
        =177.88+22.43+16.93+14.35+7.04+6.64+21.64
        =200.31+16.93+14.35+7.04+6.64+21.64
        =217.24+14.35+7.04+6.64+21.64
        =231.59+7.04+6.64+21.64
        =238.63+6.64+21.64
        =245.27+21.64
        =266.91
    答案:21.48+61.43+23.93+46.32+24.13+0.59+22.43+16.93+14.35+7.04+6.64+21.64=266.91
〖7/7算式〗
    作业：求算式 31.84+21.9+20.74+66.79+0.74+42.36+14.51+8.94+7.41+4.3+17.26+25.43 的值.
    题型：数学计算
    解:
          31.84+21.9+20.74+66.79+0.74+42.36+14.51+8.94+7.41+4.3+17.26+25.43
        =53.74+20.74+66.79+0.74+42.36+14.51+8.94+7.41+4.3+17.26+25.43
        =74.48+66.79+0.74+42.36+14.51+8.94+7.41+4.3+17.26+25.43
        =141.27+0.74+42.36+14.51+8.94+7.41+4.3+17.26+25.43
        =142.01+42.36+14.51+8.94+7.41+4.3+17.26+25.43
        =184.37+14.51+8.94+7.41+4.3+17.26+25.43
        =198.88+8.94+7.41+4.3+17.26+25.43
        =207.82+7.41+4.3+17.26+25.43
        =215.23+4.3+17.26+25.43
        =219.53+17.26+25.43
        =236.79+25.43
        =262.22
    答案:31.84+21.9+20.74+66.79+0.74+42.36+14.51+8.94+7.41+4.3+17.26+25.43=262.22

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>>注：本次最多计算 7 道题。

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