user-avatar
vuabom17
2 năm trước
Bài 1: tính a,47- [(45×2^4-5^2×12)÷14] b,50-[(20-2^3)÷2+34] c,10^2[60÷(5^6÷5^4-3^5)] d,8697- [(3^7÷3^5+2(13-3)] e,2021+5×[300-(17-7^2)] f,128-5×[29-(6-1^2)] g)1500-{5×[409-(2^3×3-21^2)]+19^3}=15 Bài2 :Tìm x biết a,(x-11)=2×2^3+20÷5 b 4(x-3)=7^2-1^3 c,2x+1×2^2014=2^2015 d,x-49=5×3^2 e,3^2(x+14)-5^2=5×2^2 f,x-2x=6^17÷6^15+44÷11 g,x-1=9
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

II. Grammar and vocabulary: * Give the correct form of the verbs in brackets(1,5p) 1. She was the first women (kill)..................................in this way. 2. Our house (destroy)........................... in the storm last night. 3. My brother was one of some people (realize)........................................the danger. 4. Last night, he (apologize)................... me for (arrive)........................ late. 5. We (do)......................... an exercise on the present continuous tense at the moment. * Give the correct form of the words in brackets (1 p) 1. We offer a wide range of goods at very (compete).............................. prices. 2. Lists of (danger)...................................................species have been made by the scientists. 3. People are destroying the air by adding (polluted)................................. to it. 4. A lot of these chemicals are (potential)................................. harmful.

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team