2006-10-29 16:05:09 · 9 respostas · perguntado por Anonymous em Ciências e Matemática ➔ Matemática
45+{ 15-[(10-8)+(7-4)-3]-4 }=
45+{ 15-[ 2+3-3]-4 }=
45+{ 15-2-4 }=
45+ 9 =
54
2006-10-29 16:11:01 · answer #1 · answered by Anonymous · 0⤊ 1⤋
Comece retirando os parênteses fica assim
45 + { 15 - [2 + 3 - 3] - 4} depois colchetes
45 + { 15 - 2 - 4} por fim a chave
45 + 9 = 54
2006-11-01 19:41:41 · answer #2 · answered by flamengo 7 · 0⤊ 0⤋
54
2006-10-30 14:39:54 · answer #3 · answered by Jorge Augusto Mendes 1 · 0⤊ 0⤋
54
2006-10-30 13:34:52 · answer #4 · answered by Luiz S 7 · 0⤊ 0⤋
45+{15-[(10-8)+(7-4)-3]-4}
45+{15-[2+3-3]-4}
45+{15-2-4}
45+9=54
2006-10-30 07:44:29 · answer #5 · answered by nobreanjo 2 · 0⤊ 1⤋
45+{15-[2+3-3]-4}
45+{15-2-4}
45+9
54.
Simples não?????
2006-10-30 05:54:22 · answer #6 · answered by biologa 2 · 0⤊ 1⤋
54
2006-10-30 00:32:19 · answer #7 · answered by §αn 6 · 0⤊ 1⤋
54..........
2006-10-30 00:11:19 · answer #8 · answered by leonardo q 2 · 0⤊ 1⤋
45 + { 15 - [( 10 - 8) + (7 - 4) - 3] - 4}
45 + { 15 - [ 2 + 3 - 3] - 4}
45 + { 15 - 2 - 4}
45 + 9 = 54
2006-10-30 00:11:12 · answer #9 · answered by Anonymous · 0⤊ 1⤋