Question

Efectuati: a).-3/10 x (-15/9)
b). 28/12-35/15
c).2/3 :(-12)
d).-5/3+1
e).5/8-3/4
f).2:(-1/4)
g).-63/40 x 64/27
h).-2/5 x 3
i).-2/5:1/10
Va rog mult!!

Answer 1

a) - 3/10 * (- 15/9) = 45/90 = 1/2
b) 28/12 - 35/15 = 7/3 - 7/3 = 0
c) 2/3  * (- 1/12) = - 2/36 = - 1/18
d) - 5/3 + 1 = - 5/3 + 3/3 = - 2/3
e) 5/8 - 3/4 = 5/8 - 6/8 = - 1/8
f) 2 * ( - 4) = - 8
g) - 63/40 * 64/27 = - 7/5 * 8/3 = - 56/15
h) - 2/5 * 3 = - 6/5
i) - 2/5 * 10 = - 20/5 = - 4