136-(81+30) = 450-(320+42+24)
136-111 = 450-386
25 = 64 => FALS
2.
A=(95+492)-490
A= 587 - 490
A= 90
B= 30:3:2x5+35:5+109x4-4x100
B= 10:2x5+35:5+109x4-400
B= 5x5+7+ 436-400
B= 25+7+36
B = 32+36
B= 68
Suma: 90+68=158
Diferenta: 90-68=22 |=>Suma >( este mai mare decat) Diferenta cu 158-22 = 136
3.
10x2:(5+5)x196-300-90=
20:2x196-300-90=
10x196-300-90=
1960-300-90=
1660-90=
=1570
Sper ca te-am ajutat !!! Coronita?