妈妈和三位同事一起去餐馆吃饭，她们点了5个菜，价钱分别是：48元、32元、18元、24元、58元．（1）平均每个菜多少元？（2）她们4人准备实行AA制（AA制指每个人平均分摊费用），每个人平均要付多少元？
口算我最棒= 26×= = = == = = 6.4÷20%= 125%×8=
直接写出得数．×= 1÷= ÷60%= ×15=﹣= 4.5+= ×= 6.8÷10%=
直接写得数24×= 72×= 12÷= ÷3=0÷= 3÷= ×= ﹣×0=
口算×15= ×2= ×= ×=÷= ÷3= ÷5= ÷=
画一画．（1）=（2）÷4=
= 26×
= 
= 
= 
=
= 
= 
= 6.4÷20%= 125%×8=
×
= 1÷
= 
÷60%= 
×15=
﹣
×
= 6.8÷10%=
= 72×
= 12÷
= 
÷3=
= 3÷
= 
×
= 
×0=
×15= 
×2= 
×
= 
×
=
÷
= 
÷3= 
÷5= 
÷
=
=
÷4=
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