98-102/6.8用【简便计算】 43.27*7.9+2.1*43.27
问题描述：
98-102/6.8用【简便计算】 43.27*7.9+2.1*43.27
答
98-102÷6.8
=98-15
=83
43.27×7.9+2.1×43.27
=43.27×(7.9+2.1)
=43.27×10
=432.7