= 37 × 24 + 37 × 76 + 63 × 79 + 21 × 63
= 37 x (24 + 76) + 63 x (79 + 21)
= 37 x 100 + 63 x 100
= (37 + 63) x 100
= 100 x 100
= 10 000
37 x 24 + 37 x 76 + 63 x 79 + 21 x 63
=37 x (24 + 76) + 63 x (79 + 21)
=37 x 100 + 63 x 100
=100 x ( 37 + 63 )
=100 x 100
=10000
37×24 + 37×76 + 63×79 + 21×63
= 37 x ( 24 + 76 ) + 63 x ( 79 + 21)
= 37 x 100 + 63 x 100
= ( 37 + 63 ) x 100 = 100 x 100 = 10 000
37×24 + 37×76 + 63×79 + 21×63
= 37 x ( 24 + 76 ) + 63 x ( 79 + 21)
= 37 x 100 + 63 x 100
= ( 37 + 63 ) x 100
= 100 x 100
= 10 000
hok tốt
