题目

直接填得数． 576+234= 3.8﹣1.08= 0.49÷0.07= 25×17.1×4= + = 50%× = 203×49≈ 72.4÷9.1= 答案：解： 576+234=810 3.8﹣1.08=2.72 0.49÷0.07=7 25×17.1×4=1710 14 + 58 = 78 50%× 25 =0.2 203×49≈10000 72.4÷9.1= 72491

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