文档介绍:: .
日期__________
÷= ÷= ÷=
- 4 -日期_______________________
×3 = ×= ÷=
4÷= ÷= ÷=
÷= ÷16= 1÷ =
÷1= ÷= ÷9=
3÷= 10÷25= ÷=
0÷= ÷1= ×99+=
÷4﹦ ÷﹦ 1×÷1×=
×3﹦ 1×÷= ÷=
÷3= -= -+=
×5﹦ ÷﹦ 25×4÷×4=
×6﹦ ÷﹦ 9÷5-÷5﹦
÷﹦ ×4﹦ 25××0﹦
×4﹦ ÷﹦ ×99+﹦
×2= += 2--﹦
×= -= 2--﹦
÷= ÷7= ××0﹦
+= ÷100= 20--=
+7= += 5×÷×=
0. 65×= -= 1-×=
+3= ×= ×7+=
÷= ÷= -÷3=
5×= ×5= ÷-4=
-= -= ÷+=
+= ×= ÷×=
2-= ÷= (+)÷5=
43×﹦ ×= ×8-=
99+﹦ -2= 6××8=
×4﹦ ÷= 4××=
×8﹦ ×40= -÷=
÷﹦ ÷4= 13--4=
×= +÷51= ×50=
-= ×= 8×=
12-×4= 16--=