文档介绍：250÷5×8=
30×3+8=
360÷40=
40×20=
80-25=
70+45=
90×2=
16×6=
300×6=
540÷9=
30×20=
400÷4=
350-80=
160+70=
42+7-29=
5600÷80=
5×16=
36×11=
336+70=
25×9×4=
12×50=
25×8=
125÷25=
4200-2200=
220+80=
20×8×5=
600-3×200=
20+20÷2=
35-25÷5=
36+8-40=
2800÷40=
98÷14 =
96÷24 =
56÷14 =
65÷13 =
75÷15 =
120÷24 =
200÷25 =
560÷14 =
390÷13 =
72÷24 =
85÷17 =
90÷15 =
96÷16 =
78÷26 =
51÷17 =
80÷40 =
100÷20 =
100÷4 =
240÷40 =
920÷4 =
300÷60=
64÷2 =
64÷4 =
50÷5 =
60÷8 =
96÷4 =
90÷6 =
400+80 =
400-80 =
40×80 =
400÷80 =
48÷16 =
96÷24 =
160×5=
4×250=
390÷13 =
72÷24 =
90÷15 =
96÷16 =
78÷26 =
51÷17 =
80÷40 =
100÷20 =
100÷4 =
240÷40 =
920÷4 =
300÷60=
64÷2 =
64÷4 =
50÷5 =
60÷8 =
96÷4 =
90÷6 =
400+80 =
400-80 =
40×80 =
400÷80 =
48÷16 =
96÷24 =
160×5=
4×250=
×6
24×3=
5×18=
125×8
75×4
7×15=
32×30=
60×12=