2t400kg+3t40kg用小数怎样计算?解析:1t=1000kg那么,2t400kg=2.4t,3t40kg=3.04t所以,2t400kg+3t40kg=2.4t+3.04t=5.44t
2.4+3.04=5.44(t)
2t400Kg+3t4OKg用小数计算怎么算?