Question

82+82x49可以怎样用简便计算

Answer 1

82+82x49可以怎样用简便计算

原式
=41x2+41x2x49
=41x2+41x98
=41x(2+98)
=41x100
=4100

或者
=82x(1+49)
=82x50
=41x2x50
=41x100
=4100

55X75+82X45+385怎样用简便方法计算急！

55*75+82*45+385=55*75+82*100-82*55+385=82*100-7*55+385=82*100-7*55+7*55=8200

82×45-83×44怎样用简便计算

=83x45-83x44-45
=83x（45-44）-45
=83-45
=38

63×82÷(49-28)÷82简便计算

63×82÷(49-28)÷82简便计算
63×82÷(49-28)÷82
=63/（49-28）*82/82
=63/19
供参考

85x82 82x16-82的简便计算

85x82+82x16-82
=82x(85+16-1)
=82x(85+15+1-1)
=82x100
=8200
谢谢，请采纳

82+5*820+49*82的简便计算

原式=82*1+82*50+82*49=82*（1+50+49）=82*100=8200

简便计算:43x82+59x82-82x2

43x82+59x82-82x2
=82×(43+59-2)
=82×100
=8200

192×82-82×90怎样简便计算

192×82-82×90
=82x(192-90)
=82x100+82x2
=8200+164
=8364

48x49十i2x4怎样简便计算

48×49+12×4
=48×49+48
=48×（49+1）
=48×50
=2400

338x49 282x49简便计算

338x49 +282x49
=49×(338+282)
=49×620
=30380。