Question

[Aoidễthương]

1. a) \(\sqrt{9}+\sqrt{4}\)      b) \(\sqrt{0,25}-\sqrt{0,01}\)   c) \(\sqrt{\frac{16}{25}}-\sqrt{\frac{1}{81}}\)    d) \(2-\sqrt{0,36}\)

2.  a) \(\sqrt{64}-\sqrt{16}+\sqrt{\left(-3^2\right)}\)       b) \(\sqrt{121}+\sqrt{\left(-5\right)^2}-\sqrt{9}\)

c) \(\sqrt{\frac{9}{4}}-\sqrt{\frac{16}{36}}-\sqrt{49}\)      d) \(\sqrt{\left(-4\right)^2}+\sqrt{\left(-5\right)^2}-\sqrt{\left(-6\right)^2}\)

Answer 1

[tam mai]

1. a) 3+2=5

b) 0,5-0,1=0,4

c) 4/5-1/9=31/45

d) 2-0,6=1,4

2. a) 8-4+3=7

b) 11+5-3=13

c) 3/2-4/6-7-37/6

d) 4+5-6=3

Answer 2

[Aoidễthương]

Mơn nhìu <3