y算速算.0.b÷0.0=b.4÷0.0=0.4÷0.0=7.0×0.01=0.30÷0.04=7.9-b.9=4.71+0.9=1.5×0.4=3.b×0.4=-数学

题目简介

y算速算.0.b÷0.0=b.4÷0.0=0.4÷0.0=7.0×0.01=0.30÷0.04=7.9-b.9=4.71+0.9=1.5×0.4=3.b×0.4=-数学

题目详情

y算速算.
0.b÷0.0=
b.4÷0.0=0.4÷0.0=
7.0×0.01=0.30÷0.04=7.9-b.9=
4.71+0.9=1.5×0.4=3.b×0.4=
题型:解答题难度:中档来源:不详

答案

2.4÷a.2=434.4÷a.7=72.4÷a.2=42
7.2×a.a4=a.a72a.32÷a.a4=77.9-4.9=4
4.74+a.9=4.444.4×a.4=a.43.4×a.4=4.44.

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