+ = - = - = - =
- = + = - = + =
- = + = - = + =
- = + = 1- = + =
1- = + = - = - =
+ = + = + = + =
- = - = - = - =
+ = - = + = - =
+ = - = + = - =
+ = — = - = - =
- = +0.4= -0.5= 0.2+ =
+ = - = - = + =
512 +34 +112 710 -38 -18 415 +56
12 -(34 -38 ) 56 -(13 +310 ) 23 +56
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