Wpisz liczby -12,6 i -11 w odpowiednie kratki. a) 9+[ ] + [ ] - [ ] =-20 b)20+[ ] - [ ] = -9 - [ ] POMOŻECIE???
a) 9 + [-12] + [-11] - [6] = -20b) 20 + [-12] - [6] = -9 - [-11]
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a) 9 + [-12] + [-11] - [6] = -20
b) 20 + [-12] - [6] = -9 - [-11]