四年级加减法小数竖式计算练习题及答案(四年级数学计算题100道)

计算题100道+= 7.672.12 += 1.777.33 += 2.43.37 += 7.981.44 += 2.147.01 += 2.735.2 += 1.336.17 -= 8.215.51