= ﹣0.25= 0÷5=
= 5.4×= 80×0.7=
488﹣199=
=
1.25×5×8=
0.16÷0.8=
÷=
0.05²=
21.9×÷8×0=
+(﹣)=
25×16=
2.8×=
32.56﹣18.5=
12.5×80÷12.5×80=