文档介绍：90×30=
20×35=
36×99= ÷2=
48÷=
96÷3= ÷= ÷6= ÷=
÷= ÷= ÷= ÷24=
÷= ÷= ÷2=
48÷=
96÷3= ÷= ÷6= ÷=
÷= ÷= ÷= ÷6=
÷3= ÷=
÷= ÷7=
32÷42= ÷13= ÷= ÷= 30×=
15÷=
×= ×=
×= ×= ×= ×=
10×= ×= ×7= ×=
×= ×4= ×= ×=
×= ×4=
×= ×5= ×4=
×=
×1=
×8=
8÷10 = ×4×12=
×= ×100=
1÷= ÷3= ÷= ÷6=
×10=
×100= ×100=
4÷=
×100= ×10= ×100= × =
× =
3×= ×= ×=
×8=
50×= 80× = ×9=
×5= ÷ = ×=
÷= ×= ÷=
÷= +×= ×= ÷=
12÷= ÷= 13÷4= ÷=
×=
7÷= 16÷= ×= ÷16=
÷= ÷= ÷=
×= ×= ÷= +×3= ÷2=
÷= ×4= ×= ×=
×= ×= ×= ÷=
×= ÷= ×100= ÷=
×= ×= ×5=
×4= ÷4= ×4= ÷=
÷= ×13= ×15= ×14=
×36= ×= ×= ×3=
×22= ÷= ×= ÷=
÷= ×= ×= ×=
×= ×= ×= ×5=
×= ×= ×= ×=
×= ×25= ×= ÷=
÷= ÷= ×= ×=
×= ×= ×=
×=
×= ×= ÷29= ÷=
÷=
8÷10= ×4×12= ×= ×100=
1÷= ÷3= ÷=
÷6= 128÷= 78÷= ÷=
65÷=
54÷= 32÷=
36÷=
42÷=
78÷= 45÷=
81÷=
÷= 1000÷=
10÷= 120÷=
÷5= ÷= ÷= ÷2=
÷= ÷= ÷2= ÷21=
÷=
46÷= ÷= ÷=
÷= ÷=