姓名： 正确率： 家长签字： 21.8+30.6= 13.2+65.3= 88.4-52.7= 50.8+35.6= 45.8+32.1= 36.4+54.1= 28.4+12.3= 62.3+27.7= 98.4-64.3= 12.3+13.4= 45.3+86.2= 67.4-35.5= 13.5+12.3= 24.6+13.6= 56.3+23.5= 45.2+16.3= 46.3+23.7= 56.3+45.2= 45.6-12.3= 87.3-55.6= 88.4-51.9= 1.3+12.7= 45.7+61.8= 12.3+46.2= 15.7+46.5= 15.6+74.3= 56.3+14.7= 15.7-5.6= 55.4+31.1= 44.8+36.7= 58.8+46.7= 99.2-54.6= 85.3-23.6= 46.5-36.1= 45.6-12.8= 77.6-44.9= 22.8+46.7= 5.8+56.7= 6.9+4.7= 56.7+4.9= 23.5+48.7= 23.5+46.7= 56.3-28.7= 87.6-45.9= 77.3-54.9= 38.8+42.1= 72.6+54.3= 44.6+23.8= 56.7-42.8= 66.3-45.7= 本文来源：https://www.wddqw.com/doc/adea6d14fc4ffe473368ab88.html