Sagot :
Answer:
56
Step-by-step explanation:
4-9 = 4 + (-9)= (-5)
49 + 3(-5)= 3 x (-5)= -15
49 + (-15)= 34
34 - (-17) = 34 + 17= 56
Answer:
1. 51
2.51
Step-by-step explanation:
1. [49 + 3 x (-5)] + 17
(49 - 15) + 17
34 + 17
= 51
2. [49 + 3 x (-5)] - (-17)
(49 - 15) + 17
34 + 17
= 51