.
1 / 5
- = - = + = + =-=
- = + = + = + 2 = 1 - =
+= +=
.
1 / 5
- = - = + = + =-=
- = + = + = + 2 = 1 - =
+= += += -= -=
-= += -= 1-= -=
-= += -= += +=
+= += -= += -=
+= -= += += -=
+= -= 7-= += -=
+=
+= += -= 5-=
+= -= -= 5- = 1--=
+= += 2 += -= +=
+= += += += -=
+= +
-= += 1-= += +=
+ =
1-= -= + = -= - =
.
2 / 5
+ = 1 - = + = - = +=
+= += += 1-=-=
- = + = + = + =
+= -= -=
-= += -= 1-= +=
-= += +5= 5-=
= ×8= 8÷= ×4= 7-=
36÷ = 5÷ = 13×60 = ÷ = +=
135÷5= ×2= ÷= +3= ÷=
×16= ÷32= 2-= ÷26= +6.
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