Question

Tinh nhanh

42 x 50 + 84 x 48

Answer 1

bằng 6132 

Answer 2

42 x 50 + 84 x 48 = 6132 

nha bn 

chúc bn học giỏi nha

Answer 3

=6123 k mik nha làm ơn

Answer 4

\(42\cdot50+84\cdot48\)

\(=42\cdot50+42\cdot2\cdot48\)

\(=42\cdot50+42\cdot96\)

\(=42\cdot\left(50+96\right)\)

\(=42\cdot146\)

\(=6132\)

Answer 5

=6132

Answer 6

42x50+84x48=42x50+42x2x48=42x50+42x96=42x(50+96)=42x146=6132

Answer 7

42x50+84x48=6132

Answer 8

42x50+84x48=6132