- = - = + = + =-=
- = + = + = + 2 = 1 - =
+= += += -= -=
-= += -= 1-= -=
-= += -= += +=
+= += -= += -=
+= -= += += -=
+= -= 7-= += -=
+=
+= += -= 5-=
+= -= -= 5- = 1--=
+= += 2 += -= +=
+= += += += -=
+= +
-= += 1-= += +=
+ =
1-= -= + = -= - =
+ = 1 - = + = - = +=
+= += += 1-=-=
- = + = + = + =
+= -= -=
-= += -= 1-= +=
-= += +5= 5-=
= ×8= 8÷= ×4= 7-=
36÷ = 5÷ = 13×60 = ÷ = +=
135÷5= ×2= ÷= +3= ÷=
×16= ÷32= 2-= ÷26= +=
5÷= ×4= ÷120= ×99= -=
×7= +7= ×= ×8= ×100=
÷16= 10-= ×125= +=
四、计算下面各题,能简算的要简算。
-- ×11- ×32
-〔+ 5× - ×5 ×125-10
10-- ×-× ×+×
×2- ×101 ×27+73×
÷× 4×9×
×× 78-+22- 15-5÷12-
+ - = - + =
+ - + > + + + + + 10- -
-+-〔++-+-
+〔++--〔+6-〔-
- <+ > + + ++= +-=
- + 25 - - + - - <- >
5--+ - +++〔-
+〔-++++-〔+
2--= ++= 1--=
1--= ++= ++ + +=
++++++-〔+3 - - -
-++- 1-++﹙-﹚
2-﹙+﹚ 15-5+7 1-﹙3-1﹚ -﹙+﹚
--= +-= ++= ++=
1--= ++++4--
-〔+-++2-- - ++
-〔-+〔-2--+-
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