3.5÷=
÷=
1÷0.25=
1÷=
0.3²×3.14=
+×7=
0.75:=
××2.7=
≈
=
85%=
32.4%=
87.5%=
12.5%=
×45= = ÷6= 1÷3×= 1.6÷0.08=
42×= ×0.15= = =
×24= 24÷=
÷2= 35÷= 25×20%=
= = = =
= = 7π= =
÷ 3÷3× ÷ 16÷
×=38.5
×=3.85
385÷=0.385