Question

62×137-62×37简便计算？

Answer 1

62×137-62×37简便计算:
62×137-62×37
=62x（137-37）
=62x100
=6200

Answer 2

1.43*136/137+136*59/137+70*68/137 =(136*43+59*136+68*70)/137 =(136*102+68*70)/137 =(68*204 +68*70)/137 =68*274/137 =68*2 =136 2.498*381+382)/(382*498-116) =(498*382-498+382)/(382*498-116) ) =(498*382-116)/(382*498-116) =1 3.126×37/124 =(124+2)×37/124 =124×37/124+2×124 37/37 = 37 + 37/62 = 37 和 37/62

Answer 3

=37*(62+39-1) =37*100 =3700 37*62+37*39-37 =37x(62+39-1) =37x100 =3700 37乘(62加37乘39减) =37乘10 =3700

Answer 4

因为两个乘式中都有62，所以运用乘法分配律逆运算有62×（137-37）=6200

Answer 5

76+23-37+X=4199-37+X=41X=41-62=-21所以76+23-37-21=41应是减21才能使算式成立