Question

help D:


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Answer 1

Explicación paso a paso:

a) (40-34+12).4= 72

b) 16:(4+4)= 2

c) -12.(30+4-11)= -12.(23)= -276

d)(450-150):25= 300:25= 12

e) 41.(23-3)=41(20)= 840

f) 4(2x-15y+3z)= 8x-60y+12z

g)13.(-7x-4m+3z)= -91x-52m+39z

h) (2y-5x).12= 24y- 60x

i)-6.(-2x+5y-3m)= 12x-30y+18m