Question

Tính nhanh:37×59+63×29-37×41-63×11

Answer 1

37 × 59 + 63 × 29 - 37 × 41 - 63 × 11

= 37 × (59 - 41) + 63 × (29 - 11)

= 37 × 18 + 63 × 18

= 18 × (37 + 63)

= 18 × 100

= 1800

Answer 2

=37*59-37*41+63*29-63*11

=37*(59-41)+63(29-11)

=37*18+63*18

=18(37+63)

=18*100

=1800