× =
5÷0.4=
0÷12=
1- =
12×2.5×4=
÷ =
0.89÷100=
2.8×0.1=
=
3.4÷8÷12.5=
:x=: 3x﹣0.9=2.4 x+x=132
1800-799= ×0= 354+147≈
10-10%= 3.6 +1.8= ×5.6= 723÷89≈
2÷= 12.3+7 = 0.23= 0.125×17×8=
810﹣340=
560÷70=
+ =
÷75%=
12.5×8÷12.5×8=
17×50=
3.48+5.52=
7﹣ =
0.6÷0.25÷4=
3.3+6.7= 7.5﹣6= × = 4.4÷0.4=
+ = 0.4×25= ÷ = ×4.2+ ×5.8=
连环画
故事书
科技书
三(1)班
30
45
10
三(2)班
15
40
A.
B.
C.