25%+1.75=
0.8×1.25=
1﹣ ﹣75%=
+ ÷ =
2÷0.02=
÷ =
0.625×8=
× ÷ × =
3.56×[1÷(2.1﹣2.09)]
( + ﹣ )×36
0.875×25+75×87.5%
÷ + ÷
x﹣ x=12
1.2x﹣6=3.6×30%
5:7.5=