23.5-4.05= 5.4+73.65= 1.8+3.09= 75.9-38.7= 51.2-11.2= 22.13+4.07= 76-47.88= 39.1+2.09= 48.6-47.9=
1.6+20.47=
211.9-11.8= 31.7+57.7= 9.81-0.09= 28.23-2.02= 198.3-25.1= 132.8-59.8= 91.9-21.1= 9.28+1.69= 59.9+41.1= 97.8+14.55=
29.8-3.5= 57.62+5.5= 0.95+9.65= 36.9+6.1= 30.5-15.6= 9.05-3.4= 26.7+13.3= 41.9-5.8= 16.89-2.46= 85.6-45.1=
7.94+18.5= 4.28-1.93= 9.53+3.3= 36.1-31.4= 5.02+3.73= 44.6-15.15= 21.2+58.36= 9.07+48.1= 17.6-6.29=
13.47+85.4=
3.29+12.5= 62.3-33.75= 4.83+10.51= 13.98+16.3= 6.03-3.7= 9.84-2.77= 8.15+32.5= 35.82-5.67= 5.69+17.2= 4.25-2.11=
四年级口算（九）
80.09-14.49= 11.89+7.74= 8.41-1.16= 4.05+44.83= 57.63-40.43= 25.54-17.32= 4.46+36.8= 25.64-5.01= 34.9+35.5= 74.32-8.75=
四年级口算（十）
5.93+6.13= 37.5-4.06= 10.73-2.19= 14.01+3.99= 8.63-7.73= 27.9+25.55= 11.43+8.34= 26.8-17.06= 67.1-49.05=
13.74+9.53=
7.25+5.23= 3.84-3.48= 9.15-7.4= 4.42+16.34= 33.46-16.06= 8.74+13.82= 3.36-3.29= 46.1+6.95= 17.01-3.72= 29.22+6.33=
相关推荐：
loading