176+98=
2-=
0.24÷10%=
0.7÷2.5÷4=
-=
÷3=
4×25%=
(+)×6=
:=:x 8x-7.1x=0.6 7x-2
1000÷25-9.6- ÷7+× ÷[60%×(7÷3)]