计算题(1)2222×0.17+33.33×4+666.6×0.9(2)1.4477÷0.0031-19.816×10.25+36.114
284+385-183=485-437+285=
237+356-289=385-174+285=
137+238-279=289+234-271=
234+123-235=234+321-136=
11+5+1= 12+7-1=