直接写出得数.×8=
÷2=
÷
=
×
=
×
=
1÷=
÷60%=
×15=
﹣
= 6.8÷10%=
4.5+=
×
=
×2=
÷
=
+
=
4×(+
)= 1÷37.5%= 5÷5÷
= 32﹣32×
= (
﹣
)×20=