直接写出得数．
5.03+15.7= 10﹣9.03= 1.07×0.06= 11.2×0.4= 2.15×3=
3÷4= 5.2÷0.4= 1.2÷0.8= 2.5×6.2×0.4= 17.1×2.4+17.1×7.6=
直接写出得数．
5.03+15.7= 10﹣9.03= 1.07×0.06= 11.2×0.4= 2.15×3=
3÷4= 5.2÷0.4= 1.2÷0.8= 2.5×6.2×0.4= 17.1×2.4+17.1×7.6=
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