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1、1.小数数位一样的加减法（竖式计算）27.38+4.83= 26.75+2.83=3.64-2.58= 6.52-3.44= 15.31+13.51= 9.03-8.57=5.5+4.5= 3.27-2.49= 11.65-7.39= 19.01-7.99= 7.51+0.49= 9.03-8.57=5.48-3.25= 4.8+18.9= 10.3+58.7= 8.03-4.56= 8.25+1.55= 9.43-9.05= 1.75+2.08= 4.28-3.37= 4.13+2.24= 5.16+7.89= 4.17+2.53= 5.07-0.98= 5.67-0.73= 13.18+5
2、.27= 2.小数数位不同的加减法26.8+3.02= 6.07-4.993= 3.7+2.36= 15.4+2.97= 10.2-8.75= 12.7+6.58= 7.3-2.25= 3.8+3.54= 3.05-2.9= 3.1-2.07= 7.81-3.735= 12.16+5.347= 0.4-0.125= 18.7+3.96= 9.6+4.78= 62.1-17.07= 5.67-0.845= 0.506-0.19= 11.04-7.3= 1.4-0.405= 1.4-0.405= 3.906+0.66= 43.5-27.34= 15.98-3.9= 75.6-3.55= 10.1-
3、0.55=5.94+10.7= 12.03+0.875= 37.8+3.02= 0.704-0.25=3.整数与小数的加减法10+10.1= 27+8.03= 26+7.98= 13.99+1= 7.88+2 = 3.57+3= 28-3.56= 10-0.81= 10-0.36= 20-0.92= 8-7.089= 45.45-45= 95-9.85= 20-9.42= 35.09-11= 96.85-85= 10-0.41= 45-0.45= 4.小数加减5.03-2.5= 22.8-5.23= 23.66+4.34= 3.52-4.66=5.6-0.81= 15.9+3.26= 67.2
4、+41.5= 50-28.5=10.75+0.4= 16.23+8.92= 13.79-9.653= 1.5+0.68= 72.8-8.6= 5.16+7.89=15.98-3.9= 5.07+6.13= 小数数位一样的加减法27.38+4.83= 26.75+2.83= 3.64-2.58= 6.52-3.44= 15.31+13.51= 7.51+0.49=5.5+4.5= 3.27-2.49= 11.65-7.39= 19.01-7.99= 5.48-3.25= 4.8+18.9= 10.3+58.7= 8.03-4.56= 9.03-8.57= 4.13+2.24= 8.25+1.55
5、= 9.43-9.05= 1.75+2.08= 4.28-3.37= 4.17+2.53= 5.07-0.98= 5.67-0.73= 13.18+5.27= 2.小数数位不同的加减法26.8+3.02= 6.07-4.993= 3.7+2.36= 15.4+2.97= 10.2-8.75= 12.7+6.58= 7.3-2.25= 3.8+3.54= 3.05-2.9= 3.1-2.07= 7.81-3.735= 12.16+5.347= 0.4-0.125= 18.7+3.96= 9.6+4.78= 62.1-17.07=5.67-0.845= 0.506-0.19= 11.04-7.3=
6、 1.4-0.405= 1.4-0.405= 3.906+0.66= 43.5-27.34= 15.98-3.9= 75.6-3.55= 10.1-0.55=5.94+10.7= 12.03+0.875= 37.8+3.02= 0.704-0.25= 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 = 8-7.089=28-3.56= 10-0.81= 10-0.36= 20-0.92= 95-9.85= 20-9.42= 35.09-11= 96.85-85= 10-0.41= 45-0.45= 3.57+3= 45.45-45= 4.小数加减混合运算5.03-2.5= 22.8-5.23= 23.66+4.34= 4.66-3.82=5.6-0.81= 15.9+3.26= 67.2+41.5= 72.8-8.6= 10.75+0.4= 16.23+8.92= 50-28.5= 3.68+9.85=13.79-9.653= 1.5+0.68= 15.98-3.9= 32.5+5.07= 6.39-5.48= 17.1-12.37=