\(\left(\left(-2\right)\cdot\left(-5\right)\right)\cdot\left(8\cdot\left(-125\right)\right)\cdot7\\ =10\cdot1000\cdot7\\ =70000\)
k mk
( - 2 ) . 8 . 7 . ( - 5 ) . ( - 125 )
= [ ( - 2 ) . ( - 5 ) ] . [ 8 . ( - 125 ) ] . 7
= 10 . 1000 . 7
= 10000 . 7
= 70000
Hok tốt
(-2).8.7.(-5),(-125)
= [ (-2).(-5) ] . [8.(-125)].7
=10.1000.7
=70000
(-2).8.7.(-5).(-125)
= [(-2).(-5)].[8.(-125)].7
= 10. (-1000) . 7
= -70000
#Hok tốt