=
+= +
1- = - = + + =
+ = + = 2- = + + =
① +( - )
② + -
③8-( + )
④ + + +
⑤1- -
⑥ -( + )
①
②
③
④
⑤
⑥
①5- - =
② + + =
③ -2.75-(0.25+ )
④ + + +
⑤ -( + )
⑥ + +
①3- -
② + + +
③ ×( - )
④ ÷9+ ×
⑤ + ÷
⑥( + )×35
① +( + )
②3- -
③ - + -
④ - +
⑤ -( + )-
⑥11+14+17+20+23+26+29
[ ]
[ ]+[ ]=[ + ]+[ + ]
①解方程
②3.6×10.2
③
④7.7×(0.95÷0.38-0.5)
⑤
⑥