总述:本次共解1题。其中
☆算术计算1题
〖1/1算式〗
作业:求算式 (223-222.5)+(222.5-213)+(272-222.5)+(222.5-199)+(222.5-219)+(245-222.5) 的值.
题型:数学计算
解:
(223-222.5)+(222.5-213)+(272-222.5)+(222.5-199)+(222.5-219)+(245-222.5)
=0.5+(222.5-213)+(272-222.5)+(222.5-199)+(222.5-219)+(245-222.5)
=0.5+9.5+(272-222.5)+(222.5-199)+(222.5-219)+(245-222.5)
=0.5+9.5+49.5+(222.5-199)+(222.5-219)+(245-222.5)
=0.5+9.5+49.5+23.5+(222.5-219)+(245-222.5)
=0.5+9.5+49.5+23.5+3.5+(245-222.5)
=0.5+9.5+49.5+23.5+3.5+22.5
=10+49.5+23.5+3.5+22.5
=59.5+23.5+3.5+22.5
=83+3.5+22.5
=86.5+22.5
=109 答案:(223-222.5)+(222.5-213)+(272-222.5)+(222.5-199)+(222.5-219)+(245-222.5)=109你的问题在这里没有得到解决?请到 热门难题 里面看看吧!