6.3+3.07=
3.2÷1%=
9-9÷12=
33+42=
0.24t:1.2kg=
-=
3.2+6.08=
6.2+0.01=
×0.42=
8-8÷4=
12÷=
2÷-÷2=
×5÷×5=
①
②x:21=:
③160×25%-1.3x=17.9
0.24:3=3:x
3.14×20= + = 0.5÷0.01= 0.32× =
21÷21%= × = 6-3 = ÷ =
1.4+= ÷30%= 24÷40% = 60×120%=
48×75% = 1-55% = 80%-= 50×(1-80%)=
- = 40%×8= 99×1%= ÷40%= ÷ ×0=
1-2%= 0.375× = ×4÷ ×4= 4.8÷0.12= ( + )×36=
x
4
?
y
12
24
4321+500= 13.2-5.2= × = 0.2×1.4=
8÷25%= + = 2.4÷ = ÷ =