递等式计算：3.78+(3.78*2+3.78*2)*25
问题描述：
递等式计算：3.78+(3.78*2+3.78*2)*25
答
3.78+(3.78×2+3.78×2)×25
＝3.78+3.78×4×25
＝3.78+378
＝381.78
答
3.78+(3.78*2+3.78*2)*25
=3.78+3.78*（2+2）*25
=3.78*3.78*100
=3.78*（100+1）
=3.78*101
=381.78
答
=3.78+3.78*2*2*25
=3.78+3.78*100
==3.78+378
=381.78