Question

Va rog ajutatima exercițiile a), b), c), d)!!!!!

Answer 1

a) 7 + 3 × [ 23 + 5 × ( 8 + 66 : 6 ) ]
7 + 3 × [ 23 + 5 × ( 8 + 11)
7 + 3 × ( 23 + 5 × 19 )
7 + 3 × ( 23 + 95 )
7 + 3 × 118
7 + 354
= 361

b) 91 + 56 : 2 + 33 × ( 156 - 12 × 13 )
91 + 28 + 33 × ( 156 - 156 )
119 + 33 × 0
119 + 0
= 119

c) [ 200 - 200 : ( 75 - 25 ) ] : 4
[ 200 - 200 : 50 ] : 4
( 200 - 4 ) : 4
196 : 4
= 49

d) 1,000 × [ 105 : 5 + 32 : ( 22 - 6 ×3 ) ]
1,000 × [ 21 + 32 : ( 22 - 18 ) ]
1,000 × ( 21 + 32 : 4 )
1,000 × ( 21 + 8 )
1,000 × 29
= 29,000.