Răspuns :
Răspuns:
1. A
2. F
3. A
4. F
Explicație pas cu pas:
1. (5+3)×7 = 5×7+3×7
8×7 = 35+21
56 = 56
2. 9×3-4×3 = (9-3)×4
27-12 = 6×4
15 = 24
3. 8×(9-5) = 8×9-8×5
8×4 = 72-40
32 = 32
4. 7+(6-4) = 7×(6-4)
7+2 = 7×2
9 = 14
Răspuns:
1. (5+3)*7=5*7+3*7
56=35+21
56=56 => A
2. 9*3-4*3=(9-3)*4
27-12=24
15=24 => F
3. 8*(9-5)=8*9-8*5
32=72-40
32=32 => A
4. 7+(6-4)=7*(6-4)
9=14 => F