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1、四年级下册计算题库（一）一一小数的加法和减法1小数数位相同的加减法（竖式计算）5.5+4.5二3.27-2.49二11.65-7.39二19.01-7.99二7.51+0.49二5.48-3.25=4.8+18.9=10.3+58.7=8.03-4.56=9.03-8.57=4.17+2.53=5.07-0.98=5.67-0.73=13.18+5.27=5.16+7.89=26.8+3.02=6.07-4.993=3.7+2.36=15.4+2.97=10.2-8.75=7.81-3.735=12.16+5.347=0.4-0.125=18.7+3.96=9.6+4.78=5.67-0.84
2、5=0.506-0.19=11.04-7.3=1.4-0.405=62.1-17.071.4-0.405=3.906+0.66=43.5-27.34=15.98-3.9=75.6-3.55=5.94+10.7=12.03+0.875=37.8+3.02=0.704-0.25=10.1-0.55=10+10.仁27+8.03=26+7.98=13.99+1=7.88+2=95-9.85=20-9.42=35.09-11=96.85-85=45.45-45=2. 小数加减混合运算（递等式计算）5.03-2.5+0.9622.8-5.23-9.12523.66+4.34-3.565.6- 0.81-
3、1.2915.9+3.26+4.1767.2+41.5-71.3910.75+0.4-9.47316.23+8.92-7.5650-28.5-13.4513.79-9.653+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）3. 小数加减简便运算（递等式计算）0.9+1.08+0.92+0.15.26+3.43+0.745.6+2.7+4.40.15+7.62+7.8551.27-8.66-1.3448.14-2.43-7.5718.76-3.47-0.535.17-1.8-3.2
4、70.8-1.25-1.754.02-3.5+0.984.25-0.83+0.7523.04-0.8-13.4-6.215.13+4.92-5.133.98-1.5+6.024.8+1.2-4.8+1.230.99-（8.5+15.99）72.6- （22.6+3.45）36.06-（5+6.06）四年级下册计算题库（一）一一小数的加法和减法1.小数数位相同的加减法（竖式计算）27.38+4.83=26.75+2.83=3.64-2.58=6.52-3.44=15.31+13.515.5+4.5=3.27-2.49=11.65-7.39=19.01-7.99=7.51+0.49=5.48-3.
5、25=4.8+18.9=10.3+58.7=8.03-4.56=9.03-8.57=8.25+1.55=9.43-9.05=1.75+2.08=4.28-3.37=4.13+2.24=4.17+2.53=5.07-0.98=5.67-0.73=13.18+5.27=5.16+7.89=2.小数数位不同的加减法（竖式计算）26.8+3.02=6.07-4.993=3.7+2.36=15.4+2.97=10.2-8.75=7.3- 2.25=3.8+3.54=3.05-2.9=3.1-2.07=12.7+6.58=7.81-3.735=12.16+5.347=0.4-0.125=18.7+3.96
6、=9.6+4.78=5.67-0.845=0.506-0.19=11.04-7.3=1.4-0.405=62.1-17.07=1.4- 0.405=3.906+0.66=43.5-27.34=15.98-3.9=75.6-3.55=5.94+10.7=12.03+0.875=37.8+3.02=0.704-0.25=10.1-0.55=3.整数与小数的加减法（竖式计算）10+10.仁27+8.03=26+7.98=13.99+1=7.88+2=28-3.56二10-0.81=10-0.36二20-0.92二8-7.089二95-9.85二20-9.42=35.09-11=96.85-85=45
7、.45-45=10-0.41=45-0.45=3.57+3=4. 小数加减混合运算(递等式计算)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+8.92-7.5650-28.5-13.4513.79-9.653+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)5. 小数加减简便运算(递等式计算)0.9+1.08+0.92+0.15.26+3.43+0.745.6+2.7+4.420.15+7.62+7.8551.27-8.66-1.3448.14-2.43-7.5718.76-3.47-0.535.17-1.8-3.270.8-1.25-1.754.02-3.5+0.984.25-0.83+0.7523.04-0.8-13.4-6.215.13+4.92-5.133.98-1.5+6.024.8+1.2-4.8+1.230.99-(8.5+15.99)72.6-(22.6+3.45)36.06-(5+6.06)
