4道计算题
问题描述:
4道计算题
简算:
1125-997
998+1246
4.25-3又6分之5-(2又6分之1-1又4分之3)
43.875×0.5+57.125×0.5-0.5
答
1125-997=1125-1000+3=125+3=127998+1246=1000+1246-2=2246-2=22444.25-3又6分之5-(2又6分之1-1又4分之3)=4.25-3又6分之5-2又6分之1+1又4分之3=4.25-(3又6分之5+2又6分之1)+1.75=4.25-6+1.75=043.875×0.5+57.125...