1)calcule as expressoes
(a)3x75+3x25
(b)5x97+5x3
(c)4x101+4x99
(d)20x47+80x47
(e)12+16:8x3-5
(f)100-6x7+8:2
(g)64:8+5x5-3
(h)1+3+5x7-9:3
2)calcule as expressoes
(a)7+15:3
(b)4x5+1
(c)10:2+1
(d)32+12:2
(e)20:10+10
(f)7x3.2x5
(g)40-2x4+5
(h)4x3+10:2
(I)50-16:8+7
(j)32:4:2:2
3)calcule o valor das expressoes
(a) (13+2)x3+5
(b) (7+2)x(3-1)
(c) (4+2x5)-3
(d) 20-(15+6:3)
(e) 15+{6+(8-4:2)}
(f)40-{3+(10-2):2
(g) {30+2x(5-3)}x2-10
(h) 10+{4+(7x3+1)}-3
Soluções para a tarefa
Respondido por
0
a primeira da 5 .7000 vo acha as outras
joaopaulosilva21:
eu que elas armadas a professora exige
Perguntas interessantes