145+263+35-198步骤
问题描述:
145+263+35-198步骤
答
145+263+35-198=(150-5)+(250+13)+35-(200-2)=150+250+13+35+2-5-200=245
145+263+35-198步骤
145+263+35-198=(150-5)+(250+13)+35-(200-2)=150+250+13+35+2-5-200=245