(35.94×11.43+16.24×11.43×11.43)=
    205.53+435.25+(35.94×11.43+16.24×11.43×11.43)+5.82=
    4+2
    25*28 456/5 236/3 735/7
    58*79 39*28 46*72 37*68 88*66 97*23
    35.94+8.0×2.81×5.21+10×5.21=
    138.00+8.0×0.36×5.21+10×5.21=
    (1,9,9)
    0.2×19.7×2.81+2×7.4×1.68
    0.2×19.7×2.66+2×7.3×1.63
    2×15.8×1.17
    (e)
    （20+19.0×1.5+18.2×2.0+17.6×6.0+19.7×1.7-（11.2-0.85）×10）×0.36-2×7.4×0.60+（11.2-0.85）×10=
    （20+19.0×1.5+18.2×2.0+17.6×6.0+19.7×1.7-（11.2-0.85）×10）×0.38-2×7.3×0.61+（11.2-0.85）×10=
    （20+19.0×1.5+18.2×2.0+17.6×6.0）×0.73-2×15.8×0.86
    （20+19.0×1.5+18.2×2.0+17.6×6.0-（9.5-0.85）×10）×0.38-2×7.3×0.61+（9.5-0.85）×10=
    （20+19.0×1.5+18.2×2.0+17.6×6.0）×0.73-2×15.8×0.86=
    （20+19.0×1.5）×0.78-2×5×0.88
    （7.78*13.89+45.36*11.27+1002.9*5.31+140.81*0.93-14.48*2.15-293.14*0.86）/8.02
    （20+19.0×1.5）×0.57-2×6.5×0.75

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