20以内加减混合计算2000题

小学一年级20以内加减混合计算2000题2.9-4+3=27.5-4+1=52.15-10+1=77.14-11+1=4.17+2-1=81.17-2+11=82.17+2-12=83.15-12+1=10.5-2+2=35.14+3-10=60.2+14-14=85.16-4+9=86.4+8-1=89,1+3-1=41.8+5-12=91.13-10+2=45.16+3-15=46.12+7-1=48.7+12-11=24.13+4-1=99,15-11+2=5.5-3+1=30.18-14+3=55.2+9-10=80.2-1+1=81.11-2+7=83.15+2-5=86.17-2+1=87.7+10-2=88.13-6+5=90.5+14-2=91.14+3-8=20.1-1+0=45.16-14+1=70.16-8+1=95.16-8+4=46.16+2-1=96.9+3-10=97.17+1-1=24,15+2-16=49.9+9-11=##.18-15+2=4.7+10-15=9.3+2-1=91.3+2-1=42.14+1-12=46.10+9-14=##.11+4-11=40.15+3-17=42.17+1-17=43.14+5-13=45.15+1-13=46.13+4-14=##.7+12-12=66.7+9-1=91.13+3-1=92.5+9-1=48.18+1-15=86.2+13-14=43.4+15-15=44.15+4-13=46.18+1-12=47.12+3-14=98.17+2-1=1.16-15+1=26.12+1-8=51.15-6+8=76.3-1+1=82.15-12+2=84.16-11+4=87.13+5-17=40,8+10-1=90.15-10+3=91.17+2-11=42.17+1-10=93.12-10+1=95.17+1-13=96.10+7-12=47.6+13-15=48.18+1-12=98.17+1-16=25.10+9-1=26.10+7-1=90,17+1-10=91.16-13+2=45.18+1-14=23.12+3-1=2.7-4+1=27.14+2-4=52.1-1+0=77.4-3+1=4.10+1-1=83.17+1-10=87.10+7-13=41.17+2-17=42.16+2-1=68.9+8-1=94.12+5-11=95.11+3-1=96.15-12+2=87.10+4-13=40.17+1-13=41,12+6-17=92.8+11-15=44,14+1-13=45.11+8-18=96.15-1+11=99.10+4-10=3.17-4+7=28.9-1+3=53.7+2-2=78.2-1+1=6.7+2-1=40.9+6-13=42.15+3-1=43.12+4-14=47.15+3-1=48.15+4-11=99.6+11-9=##.7+6-10=80.8+2-1=65.7+3-1=90.2+3-1=43.14+1-14=22.7+3-1=48.12+6-10=4.8-3+2=29.18+1-12=54.13-4+1=79.9+7-15=90.10+7-1=41.16+1-15=94.3+13-1=46.17+1-14=47.17+1-1=99.2+11-1=27.5+6-1=6.15+2-1=65.5+1-1=42.2+17-13=43,10+3-10=5.14-7+3=30.9+3-10=55.3+7-4=80.12+3-3=40.14+3-13=42.13+2-12=68.10+3-1=99,1+18-1=76.8+5-12=86.3+15-9=91.4+4-1=46.17+2-17=47.2+16-17=48.18+1-15=49.16+3-12=6.2-1+1=31.8+11-12=56.8+10-17=81.10-9+1=9.4+5-1=84.10+9-15=40.16+1-10=41.5+14-10=42.14+4-17=45.13+1-12=95.17+2-1=6.5+7-1=91.16+3-1=42.14+3-1=44.8+8-10=49.3+7-1=4.15+1-13=7.13-9+2=32.12-7+2=57.8-5+1=82.2-1+1=42.14+5-18=43.16+1-10=##.15+3-1=4.10+7-11=82.10+2-1=64.1+1-1=41.8+3-1=43.9+3-11=47.16+3-10=98.10+6-1=##.1+11-11=4.10+4-13=8.13+1-5=33.8+6-3=58.9-2+4=83.6-3+1=84.18+1-12=10.2+11-11=60.15-14+1=88.3+3-1=89.3+14-2=15.8+4-6=40.11-5+1=65.12+6-10=90.4-2+1=91.15+2-16=42.8+7-13=19.13-8+3=44.7-2+4=69.14-4+4=94.3+6-3=96.5+12-4=##.16+2-17=26.15+4-13=51.7-2+1=76.6+8-6=28.14+2-7=78.16-12+2=4.8+9-12=79.17+1-17=6.6-4+1=56.4+8-5=81.1-1+0=83.17-13+2=85.12-10+1=11.4-3+1=36.12+1-9=61.3+11-7=86.5+14-4=87.14-10+3=89.17+2-17=15.6-3+1=40.3+6-5=65.4+5-7=90.16-13+1=41.2+1-1=92.11+1-11=18.3-1+1=43.12+6-1=68.16+1-1=