文档介绍：+15×6=
×8×5=
÷5×8=
3×200=
×5÷2×4=
+20÷2=
×3+8=
25÷5=
÷4+20×5=
+8-40=
+12÷3+20=
÷40=
7.(80
÷20+80)÷4=
÷14=
+(100-10×5)=
÷24=
÷40=
÷14=
×20=
÷13=
-25=
÷15=
+45=
÷24=
×2=
÷25=
×6=
÷16=
×6=
÷21=
÷9=
÷14=
×20=
÷13=
÷4=
÷15=
-80=
÷24=
+70=
÷17=
64÷8=
÷15=
÷6+20=
÷16=
5×7=
÷26=
+60÷3=
÷17=
+18÷2=
÷40=
11×5=
÷20=
+7-29=
÷4=
÷80=
÷40=
×16=
÷4=
×25=
÷60=
×11=
÷2=
÷25=
÷4=
+70=
÷5=
×9×4=
÷8=
33×3=
÷4=
-1010=
÷6=
×50=
+80=
×8=
=
×11=
×80=
÷25=
÷80=
-2200=
÷16=
+80=
÷24=
×5=
×250=
×518=
×25=
×76=
×11=
×10=
÷25=
×6=
+70=
×3=
×9×4=
×18=
33×3=
×4=
-1010=
×15=
×50=
×30=
×8=
×15=
×11=
×12=
÷25=
×30=
-2200=
×50=
+80=
×700=
×8×5=
+15×6=
3×200=
÷5×8=
+20÷2=
×5÷2×4=
25÷5=
×3+8=
+8-40=
÷4+20×5=
÷40=
+12÷3+20=
÷14=
7.(80
÷20+80)÷4=
÷24=
+(100-10×5)=
÷14=
÷40=
÷13=
×20=
÷15=
-25=
÷24=
+45=
÷25=
×2=
÷16=
×6=
÷21=
×6=
÷14=
÷9=
÷13=
×20=
÷15=
÷4=
÷24=
-80=
÷17=
+70=
÷15=
64÷8=
÷16=
÷6+20=
÷26=
5×7=
÷17=
+60÷3=
÷40=
+18÷2=
÷20=
11×5=
÷4=
+7-29=
÷40=
÷80=
÷4=
×16=
÷60=
×2=
÷2=
×6=
÷4=
×6=
÷5=
÷9=
÷8=
×20=
÷4=
÷4=
÷6=
-80=
+80=
+70=
=
64÷8=
×80=
÷6+20=
÷80=
5×7=
÷16=
+60÷3=
÷24=
+18÷2=
×5=
11×5=
×250=
+7-29=
×518=
÷80=
×76=
×16=
×10=
×25=
×6=
×11=
×3=
÷25=
×18=
+70=
×4=
×9×4=
×15=
33×3=
×30=
-1010=
×15=
×50=
×12=
×8=
×30=
×11=
×50=
÷25=
×700=
-2200=
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