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Nguyễn Hoàng Quân
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2023-11-25 09:06:55
a)53,49\(\times\)0,704+46,51\(\times\)0,704
=(53,49+46,51)\(\times\)0,704
=100x0,704
=70,4
b)8,30×617,32+8,30×382,68
=8,30x(6,17+382,68)
=8,30x 388,85
= 3227.455
c)3,42×2,5×0,4.
= 3,42x(2,5x0,4)
=3,42x1
=3,42
d)8,25×0,125×8×2.
= (8,25x2)x(0,125x8)
=16,5x1
=16,5