Question

Tinh nhanh:

(456x11+912)x37:(13x74)

Answer 1

( 456 x 11 + 912 ) x 37 : ( 13 x 74 )

( 456 x 11 + 192 ) x 37 : 13 x 37 x 2 

= ( 456 x 11 + 456 x 2 ) x 37 : 13 x 37 x 2 

= ( 456 x ( 11 + 2 ) x 37

= 456 x 17 x 37 : 13 x 37 x 2= 456 : 2 = 

= 228

Answer 2

\(\left(456\times11+912\right)\times37\div\left(13\times74\right)\)

((476x11+912)x37) / (13x74) = (6148 x 37) / (13 x 74) = 6148 / 13 x 2 = 3074 / 13

Answer 3

5016+912=5928

5928nhan37:962

219336:962

228

dap an dung la 228