1)-4,5-(7-9,5) 2)-5/8-(5/8-1) 3)-18-(9-5) 4)-0,25-(3-2,25) - вопрос №94840631457952585813189540253225529189 от Transylvania1 16.10.2020 21:49

Question

Математика: 1)-4,5-(7-9,5) 2)-5/8-(5/8-1) 3)-18-(9-5) 4)-0,25-(3-2,25) 5)-2/9-(1-8/9) решите ! ༼ ༎ຶ ෴ ༎ຶ༽

Transylvania1 · Answer

1) -4,5-(7-9,5)= -4,5-7+9,5=72) -5/8-(5/8-1)= -5/8-5/8+1=13)-18-(9-5)= -18-9+5= -224)-0,25-(3-2,25)= -0,25-3+2,25= -15) -2/9-(1-8/9)= -2/9-1+8/9= 2/3-1= -1/3...