×=
× =
3÷=
÷ 3=
=
0.48×=
×÷×=
7A÷9A=
16π≈
9-0.75-0.25=
÷0.625=
0.052=
90÷=
0.9+99×0.9=
×3÷×3=
①(84%-13%)÷71
②
③
④
0.004+99×0.4%
×25+175×75%
1-60%= ×0= ×8=
0.8÷= ÷4= 10÷10%=
24.06+0.4=
×6=
5-()=
9÷=
16.5÷10%=
2-=
32÷53×0=
÷7=
90%×90 =
56÷7% =
200÷20% =
0.6÷3% =
2000×3.15% =
0.72÷6% =
20×35% =
1.5÷50% =
70×(1-85%)=
①3.6﹣2.8+7.4﹣7.2
②1.25×1.6×25
③÷4
④÷[(﹣)×]