(+4)-(-7)=?,(-5)-(-8)=?,0-(-5)=?,(-2.5)-5.9=?,1.9-(-0.6)=?

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(+4)-(-7)=?,(-5)-(-8)=?,0-(-5)=?,(-2.5)-5.9=?,1.9-(-0.6)=?

(+4)-(-7)=?,(-5)-(-8)=?,0-(-5)=?,(-2.5)-5.9=?,1.9-(-0.6)=?
(+4)-(-7)=?,(-5)-(-8)=?,0-(-5)=?,(-2.5)-5.9=?,1.9-(-0.6)=?

(+4)-(-7)=?,(-5)-(-8)=?,0-(-5)=?,(-2.5)-5.9=?,1.9-(-0.6)=?
11 3 5 -8.4 2.5