Question

Tính nhanh

a) 72. (-50).(-2).(-2)

b) 125.(-5).(-20).8

c) 125.(-3).(-32).(-4)

d) (-123 – 123-123-123).125

Answer 1

b: =100x1000=100000

Answer 2

a)=\(\left[72.\left(-2\right)\right].\left[-50.\left(-2\right)\right]\)

=-144.100

=-14400

b)=(125.8).(-5).(-20)

=1000.100

=100000

c)=\(\left[125.\left(-4\right)\right]\).(-3).(-32)

=-500.96

=-48000

d)=-492.125

=-60500