Question

42:7+(6+6):2-24:(5+3)
(25+20):5-(19+5):8
10+(10:10)-(10×1+10



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Answer 1

Răspuns:

42:7+(6+6):2-24:(5+3) =

= 42:7+12:2-24:(5+3) =

= 42:7+12:2-24:8 =

= 6+12:2-24:8 =

= 6+6-24:8 =

= 6+6-3 =

= 12-3 =

= 9

(25+20):5-(19+5):8 =

= 45:5-(19+5):8 =

= 45:5-24:8 =

= 9-24:8 =

= 9-3 =

= 6

10+(10:10)-(10×1+10) =

= 10+1-(10×1+10) =

= 10+1-(10+10) =

= 10+1-20 =

= 11-20 =

= -9