Matematika 5.

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(+5)+(+2)=                              (+6)+(+3)=                                          (+2)+(-6)=

(+4)+(+6)=                              (+9)+(-5)=                                           (+7)+(-6)=

(-5)+(+2)=                               (-5)+(-2)=                                            (-4)+(-6)=

(+4)+(+4)=                              (+4)+(-4)=                                           (-4)+(-4)=

(+9)+(-5)=                               (+7)+(-8)=                                           (-9)+(-4)=

(-2)+(+7)=                               (-8)+(+8)=                                           (+5)+(-7)=