7.92+3.08-3.54-6.45用简便计算
7.92+3.08-3.54-6.45用简便计算
7.92+3.08-3.54-6.45用简便计算
7.92+3.08-3.54-6.45用简便计算
7.92+3.08-3.54-6.45
=(7.92+3.08)-(3.54+6.45)
=11-9.9
=1.1
7.92+3.08-3.54-6.45用简便计算
7.92+3.08-3.54-6.45用简便计算
7.92+3.08-3.54-6.45用简便计算
7.92+3.08-3.54-6.45
=(7.92+3.08)-(3.54+6.45)
=11-9.9
=1.1