文档介绍：努力必有回报
×= ÷= ×= ÷=
÷= ÷4= ×= 5÷=
÷= ÷= ×2= ×1 1－= ＋= －=
＋= －= += -=
÷= 18×= ×3= ×=
×= ÷= += ×=
15÷12= ×12= ÷5= ×=
28×= ×14= ×= ÷=
24×= ÷= -= ÷=
÷8= ＋= ×= ×=
2×= ×3= ÷= ×=
×20= －= ×36= ＋2=
努力必有回报
6×= ×= ÷= 2÷=
33÷= ×= ×4= ÷=
-= += -= 720÷800=
+= -= 17×300= -=
+= ×= += +=
+= += -= ÷5=
-= += ×100= -=
2+= -= += +=
÷70= +3= += ÷25=
+1= -= += +=
努力必有回报
3+= ÷9= -= -5=
×9= -= -= +=
1-= += += +4=
4-= += += +=
23×100= -= -= 1-=
÷40= 53÷100= += ×80=
÷10= += 7×= ×100=
-= -= ×10= 10+=
1-= ×1000= += +=
×100= -= -= 63÷100=
努力必有回报
-= += 80÷1000= +=
-= 0×= -= +=
+= 5+= 1-= +=
+= += += 1-=
8-= -= += +=
-1