计算．7× 24×65× ×12×7×24×65 12×．
口算0.25×4= 3.02×0.2= 100÷0.8= 3×1.2=3.14+0.56= 25×8= 36÷1.2= 10﹣0.9=
口算3.4÷2= 0.48÷6= 4.6÷0.23= 1.4×0.5=6.8÷4= 0.72÷12= 8×1.01= 5.2÷13=
口算8×5.1= 1.5÷0.03= 0.9÷0.9=4.2×3= 6.3+7= 1.5÷0.3=
用竖式计算．2.5×44= 64.8÷18=14.3×38= 1.69÷26=
32= 0.2×0.4= 6÷0.6= 0.12= 0.81÷0.9= 1.52= ．
24×
×24
×65 12×
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