Question

trebuie sa calculez......a)7×8+(87-79):4=.........b)24+5×(25:5:5-1)+25=​

Answer 1

a) 7 • 8 + (87 - 79) : 4 =

= 7 • 8 + 8 : 4 =

= 56 + 2 =

= 58

b) 24 + 5 • ( 25 : 5 : 5 - 1 ) + 25 =

= 24 + 5 • 0 + 25 =

= 24 + 0 + 25 =

= 24 + 25 =

= 49

Answer 2

Răspuns:

a)58

b)49

Explicație pas cu pas:

a)7×8+(87-79):4=56+8:4=56+2=58

b)24+5×(25:5:5-1)+25=24+5×(5:5-1)+25=24+5×(1-1)+25

=24+5×0+25=24+0+25=24+25=49