Sagot :
Answer:
1. (24 ÷ 2) × 5 + (18 - 7)
12 × 5 + 11
60 + 11
=71
2. (36 - 5) + [ (3 × 2)^2 + 7 ]
(36 - 5) + [ (6 × 4) +7 ]
(36 - 5) + [ 24+7 ]
31 + 31
=62
3. (23 + 5) × 2 - (625 ÷ 125)^2
(23 + 5) × 2 - (1,250 ÷ 250)
28 × 2 - 5
56 - 5
=51
4. 32 ÷ (8 × 2) - 2
32 ÷ 16 - 2
2 - 2
=0
5. 15 - 45 ÷ 9 + 7 × 2
15 - 45 ÷ 9 + 14
15 - 5 + 14
15 - 19
=-4