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Ex 14 punctele c,d,e,f .URGENT DAU COROANA +INAMA +ABONARE ​

Ex 14 Punctele Cdef URGENT DAU COROANA INAMA ABONARE class=

Răspuns :

c) 3/4×(1/6-5/24)

3/4×(-1/24)

-1/4×1/8

-1/32

d)(-5/3)×(7/10+8/25)

(-5/3)×51/50

-17/10=-1,7

e) (1/12-11/8)×(-5/4)

31/24×(-5/4)

155/96

f)(5/18-11/6)×(-3/7)

5/8+11/2×1/7

5/8+11/14

79/56

Răspuns:

Explicație pas cu pas:

c)3/4(4-5)/24=1/4×8=1/32

d)-5/3×(35+16)50=-5×51/3×50=-51/30

e)(2-33)24×(-4/5)= 31×4/24×5=31/30

f)(5-33)18×(-3/7)=31×3/18×7=31/42