4*4
    2*2
    (1.278+0.06+0.06)+(0.497+0.06+0.06)=
    (0.394+0.06+0.06)×6
    1/12*1.45*1.45((2*3.4+0.5)*(200+140-2*1.35*20*1.6)+(200-140)*3.4)
    17.615086×35
    6.14845+4.311432+1.902828+0.29808+3.255228+1.458588+0.24048
    (0.497+0.06+0.06)×(0.394+0.06+0.06)×6
    17.584246×35
    6.14845+4.311432+1.871988+0.29808+3.255228+1.458588+0.24048
     (0.471×4+0.06+0.06)×0.12
     (0.497+0.06+0.06)×(0.471+0.06+0.06)×4
    (1.257+0.06+0.06)×(0.471+0.06+0.06)×4
    0.12×（0.394×6+0.06+0.06）=
     0.12×（0.394×6+0.6+0.6）
     (0.487+0.06+0.06)×(0.394+0.06+0.06)×6
     (1.278+0.06+0.06)×(0.394+0.06+0.06)×6
    (1.477+0.06+0.06)×(0.43+0.06+0.06）×7
    17.5*35=
    6.14845+4.311432+1.871988+0.29808+3.255228+1.458588+0.24048=

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