姓名：小数加减法练习题 小数加减法注意事项：小数点要上下对齐，小数点对齐后，小数的整数部分和小数点后面的各分位数也自动对齐了。（注意书写整洁）一、1、口算。0.70.9= 0.80.6= 8.243.76= 4.13.8= 140.78= 14.60.34= 1.38.56= 0.80.55=40.04= 10.03= 30.53.05= 0.80.45=0.782.2= 50.08= 3.250.75= 100.1=1.50.5 10.9 2.30.6 0.90.81.90.9= 3.5- 2.4= 0.360.64 0.960.33.5+ 4.2= 6 -0.5= 2.7-0.4= 1-0.3=0.8+ 0.7= 4.5-3= 7.8-1.1= 3.4-1.5=1.50.5 10.9 2.30.6 0.90.8 1.90.9= 3.5 -2.4= 0.360.64 0.960.3=2、计算下列各题8.656.31= 107.64= 13.68.46= 0.991.1=1.23+6.52= 5.-0.93= 6.35-5.23= 1.23+5.69= 1.26+5.21= 0.96-0.23= 7.26-4.93= 2.16-0.23=