①7.3-2.05+0.82
②3×÷3×
③3.68×6.7+ 63.2×0.67
6.3÷0.1=
3÷=
48×25%=
=
3-=
10.3-0.89=
910÷70=
8×12.5%=
2.4×=
0.22=
÷0.8=
-=
21×397≈
632÷91≈
①3060÷15-25×1.4
②
③
④
x
?
2.4
y
1.5
0.6