Tính 7/3. 37/5 - 7/3.32/5
B1
a,\(\dfrac{7}{3}\).\(\dfrac{37}{5}\)-\(\dfrac{7}{3}\).\(\dfrac{32}{5}\)
b, 3:+\(\left(-\dfrac{3}{2}\right)^2\)+ \(\dfrac{1}{9}\).\(\sqrt{36}\)
c,\(\left(-2\right)^2\) + \(\sqrt{36}\)-\(\sqrt{9}\)+\(\sqrt{25}\)
d, \(\left(-\dfrac{2}{3}+\dfrac{3}{7}\right)\) : \(\left(-\dfrac{1}{3}+-\dfrac{4}{7}\right):\dfrac{4}{5}\)
B2
a, \(\dfrac{3}{4}\)+\(\dfrac{1}{4}\):x = \(\dfrac{1}{2}\)
b, -8 + 2 . |2x-3| =4
c, |x - \(\dfrac{1}{3}\)|- \(\sqrt{\dfrac{1}{6}}\)=\(\sqrt{\dfrac{1}{9}}\)
Loga
Toán lớp 7
