题文
X:
=
:
=
:30%
÷
×X=
×
=
÷
= 125×1.6= 12.56÷6.28= 7×
÷7×
=
﹣
= 3.14×5= 3.14×40= 75×10%=
÷3﹣
=
X:
=
:
=
:30%
÷
×X=
×
=
÷
= 125×1.6= 12.56÷6.28= 7×
÷7×
=
﹣
= 3.14×5= 3.14×40= 75×10%=
÷3﹣
=
试题篮
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