A. 21018 X 4 + 10975 = 84072 + 10975= 95047B. 10819 X 5 – 24567...

Câu 3.a. 21018 x 4 + 10975 = 84072 + 10975= 95047b. 10819 x 5 – 24567 = 54095 – 24267= 29528c. 12345 + 10203 x 7 = 12345 + 71421= 83766d. 98765 – 15026 x 4 = 98765 – 60104= 38661