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1、四年级下册计算题小数的加法和减法1.小数数位相同的加减法(竖式计算)3.64-2.58=27.38+4.83=26.75+2.83=6.52-3.44=15.31+13.51=5.5+4.5=3.27-2.49=11.65-7.39=19.01-7.99二7.51+0.49=5.48-3.25二4.8+18.9=10.3+58.7=8.03-4.56=9.03-8.57=8.251.55二9.43-9.05=1.75+2.08=4.28-3.37=4.132.24=4.17+2.53=5.07-0.98=5.67-0.73=13.18+5.27=5.16+7.89=12.35-8.62=3.8
2、5+6.04=26.8+3.02=6.07-4.993=3.7+2.36=15.4+2.97=10.2-8.75二7.3-2.25=3.8+3.54=3.05-2.9=3.1-2.07二12.7+6.58=7.81-3.735=12.16+5.347=0.4-0.125=18.7+3.96=9.6+4.78=5.67-0.845=0.506-0.19=11.04-7.3二1.4-0.405=62.1-17.07=1.4-0.405=3.906+0.66=43.5-27.34=15.98-3.9二75.6-3.55=5.94+10.7=12.03+0.875=37.8+3.02=0.704-0.
3、25=10.1-0.55=10+10.1=27+8.03=26+7.98=13.99+1=7.88+2=28-3.56二10-0.81=10-0.36=20-0.92二8-7.089=95-9.85=20-9.42=35.09-11=96.85-85=45.45-45二10-0.41二45-0.45=3.57+3=5. 03-2. 5+0. 9622.8-5.23-9.12523.66+4.34-3.565.6-0.81-1.2915. 9+3.26+4.1767.2+41.5-71.3910.75+0.4-9.47316. 23+8.92-7.5650-28. 5-13. 4513.79-9
4、.653+170.571.5+0.68-0.30672.8-8.6+5.8420.8-(15.98-3.9)32.5+(5.07+6.13)3.52-(4.66-3.82)50-12.8+30.55. 26+3. 43+0. 740.9+1.08+0.92+0.15. 6+2. 7+4. 451. 27-8. 66-1.3448. 14-2. 43-7. 5720.15+7.62+7.855. 17-1.8-3.24. 02-3. 5+0. 9818.76-3.47-0.5370.8-1.25-1.7515.13+4.92-5.133.98-1.5+6.024.8+1.2-4.8+1.230.99-(8.5+15.99)72.6-(22.63.45)36.06-(5+6.06)