3.4-0.34=
13:9=
( ):=
2.5×12=
2.5÷12=
4×3.14=
43-4.5=
335−0.6=
628÷3.14=
4:0.25=
19+14−19+14=
6÷1.5=
0.42:(23)3=
( ):9=43
4×47=
38÷6=
57×1415=
910÷13=
2÷23=
710×0.5=
14÷35=
35×16×57=