Question

BT1: Tính nhanh:

4) \(A=-\dfrac{3}{20}-\dfrac{3}{200}-\dfrac{3}{2000}-\dfrac{3}{20000}\)

Answer 1

MIK NHẦM

A=\(-\dfrac{3000}{20000}-\dfrac{300}{20000}-\dfrac{30}{20000}-\dfrac{3}{20000}\)

A=\(-\dfrac{3333}{20000}\)

ĐÂY MỚI LÀ ĐÚNG NÈ, NHỚ TICK NHA

Answer 2

A= \(\dfrac{3333}{20000}\)

Answer 3

A=

Answer 4

A=-\(\dfrac{3000}{20000}-\dfrac{300}{20000}-\dfrac{30}{20000}-\dfrac{3}{20000}\)

A=-(\(\dfrac{2667}{20000}\))

xin lỗi