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1、四年级下册计算题库（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= 3.27-2.49= 11.65-7.39=19.01-7.99= 7.51+0.49= 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
2、+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= 8.94+10.7=12.03+0.875= 37.8+3.02= 0.704-0.25=10.1-0.55= 27+8.03= 26+7.98=13.99+1= 7.88+2.32=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+0.9622.8-5.23-9.12
3、523.66+4.34-3.56 5.6-0.81-1.2915.9+3.26+4.1767.2+41.5-71.3910.75+0.4-9.473 16.23+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+4.4 0.15+7.62+7.8551.27-8.66-1.34 48.14-2.43-7.
4、5718.76-3.47-0.535.17-1.8-3.270.8-1.25-1.75 4.02-3.5+0.984.25-0.83+0.75 23.04-0.8-13.4-6.215.13+4.92-5.133.98-1.5+6.024.8+1.2-4.8+1.2 30.99-（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）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= 5.31+13.51= 5.5+4.5= 3.27-2.49= 11.
5、65-7.39=19.01-7.99= 7.51+0.49= 5.48-3.25=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
6、=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=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+10.1= 27+8.03= 26+7.98=13.99+1= 7.88+2=28-3.
7、56= 10-0.81=10-0.36=20-0.92= 8-7.089=95-9.85=20-9.42= 35.09-11= 96.85-85=45.45-45= 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+0.96= 22.8-5.23-9.125=23.66+4.34-3.56= 5.6-0.81-1.29=15.9+3.26+4.17= 67.2+41.5-71.39=10.75+0.4-9.473= 16.23+8.92-7.56=50-28.5-13.45= 13.79-9.653+170.57=1.5+0.68-0.306=
8、72.8-8.6+5.84=20.8-（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+0.1=5.26+3.43+0.74=5.6+2.7+4.4= 20.15+7.62+7.85=51.27-8.66-1.34= 48.14-2.43-7.57=18.76-3.47-0.53=5.17-1.8-3.2=70.8-1.25-1.75=4.02-3.5+0.98=4.25-0.83+0.75= 23.04-0.8-13.4-6.2=15.13+4.92-5.13=3.98-1.5+6.02=4.8+1.2-4.8+1.2= 30.99-（8.5+15.99）=72.6-（22.6+3.45）= 36.06-（5+6.06）=
