0.3×0.7=
    1.5×0.4=
    0.93×100=
    4.5×0.01=
    0.2×0.26=
    0.08×10=
    100×0.09=
    80×0.02=
    8×0.125=
    1.5－0.5×0.5=
    7.56×0.9=
    31.4×1.2=
    0.9×0.9=
    5.2×1.6=
    6.5×0.8=
    2.9×7.5=
    0.62×500=
    0.25×10.8=
    0.49×0.86=
    1.72+0.28×3=
    1.25×8.37×0.8=
    0.34×99=
    6.28×7.2+2.8×6.28=
    7.83×99+7.83=