a) 6 + 4 x 6 - 13 =
6 + 24 - 13 =
30 - 13 =
17
9 x 7 + 4 x 8 =
63 + 32 =
95
6 x 7 - 4 x 4 =
42 - 16 =
26
b) 16 : 4 + ( 32 - 20 ) : 6 + 4 x ( 15 + 35 : 7 ) =
16 : 4 + 12 : 6 + 4 x ( 15 + 5 ) =
16 : 4 + 12 : 6 + 4 x 20 =
4 + 2 + 80 =
6 + 80 =
86
7 x ( 25 - 32 : 4 ) - 35 =
7 x ( 25 - 8 ) - 35 =
7 x 17 - 35 =
119 - 35 =
84
62 - 5 x 8 : 4 =
62 - 40 : 4 =
62 - 10 =
52
Sper ca te-am ajutat!!!
SUCCES!!!!