用简便方法计算73×83减63×8
用简便方法计算73×83减63×8
用简便方法计算
73×83-63×83
=(73-63)×83
=10×83
=830
用简便方法计算24×73减24×63
用简便方法计算24×73+ 26×24+ 24
24×73+ 26×24+ 24
=24*(73+26+1)
=24*100
=2400
73×83-63×83用简便计算
解: 73×83-63×83
=(73-63)×83
=10×83
=830
63*73-63*73简便方法怎么计算
63*73-63*73简便方法计算
=63x(73-73)
=63x0
=0
537-(300-83)+(63-53)用简便方法计算
537-(300-83)+(63-53)
=537-300+83+63-53
=237+63+83-53
=(237+63)+(83-53)
=300+30
=330
338-63减237用简便方法计算
338-63减237用简便方法计算
338-63减237
=338-(63+237)
=338-300
=38
5`83减3`88减1`38用简便方法计算
5.83-3.88-1.38
=5.83-4+0.12-1.5+0.12
=5.83-5.5+0.24
=0.33+0.24
=0.57
用简便方法计算6.38×530 63点8×47
6.38×530 +63点8×47
=63.8×53+63.8×47
=63.8×(53+47)
=63.8×100
=6380。
用简便方法计算73,5一73,5xo,8
用简便方法计算73,5一73,5xo,8
73.5-73.5×0.8
=73.5×(1-0.8)
=73.5×0.2
=14.7.
用简便方法计算863-63减105-95
用简便方法计算863-63减105-95
863-63减105-95
=(863-63)-(105+95)
=800-200
=600