解:37×62+37×39-37等于( 3700 )
∵已知需求出37×62+37×39-37等于多少
X × Y - X × Z = X × (Y - Z)
∴37 × 62 + 37 × 39 - 37
= 37 × (62 + 39 - 1)
= 37 × (101 - 1)
= 37 × 100
= 3700
答:37×62+37×39-37等于3700
37×62十37×39-37x1
=37×(62+39-1)
=37×100
=3700