小学数学综合简便计算班级:姓名:情况:8×54.9×12530.3+79.2+20.88×57.2×25780.2-(80.2+25.2)25×10436.3×25×880.3+25.3+74...
完整版100以内不进位加法练习题用时:错误:70+14=57+41=30+10=3+93=37+41=58+1=81+11=50+21=4+65=13+81=14+14=65+32=41+14=5...