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    1.5×4= 6.2×0.3= 0.36+0.64= 3×1.4=
    0.12×3= 0.49÷0.7= 0.96÷0.3= 25×0.8=
    2.6÷0.2= 0.45÷0.45= 0.1×0.02= 12-9.9=
    0.06×1.5= 0.27÷0.3= 12÷0.3= 1.02×5=
    0.25×16= 1÷0.125= 0.05×0.8= 0.15×3=
    0.35÷0.7= 0÷0.8= 2.87÷0.7= 9.6÷6=
    2.14-0.9= 4.2÷0.01= 0.75×4= 4.3-0.4=
    3.2÷1.6= 7.2+2.8= 3.9+2.03= 0.86-0.3=
    3.5+7.6= 8-2.5= 2.56-0.37= 4a+a=
    7×0.05= 8.4÷4.2= 16÷1.6= x-0.62x=