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1、四年级小数加减法竖式计算7.9+53.1= 56.8+23.1= 36.4-27.1= 51.1+35.9= 1.2+96.6= 4.6-35.6= 11.23-0.88= 22.56+14.62=56.78-21.5= 96.1-43.2= 0.9+1.6= 4.5+3.4= 2.7+3.9= 41.6-4.8= 18.6+4.7= 1-0.44= 0.7+0.9= 3.25+0.75= 14.6-0.4= 10-0.1=1-0.78= 20.1-0.3= 15.6-0.08= 11.1-5.6=16.4+2.35= 84.2-6.22= 1.6+3.45= 17.2+25.9=21.3+1
2、4.3= 9.13-8.28= 14.4+33.99= 29.8-14.6=26.3-16.2= 35.2+56.8= 1.99+21.7= 13.88-9.21=20.33+9.88= 36.5-5.71= 63.4+52.1= 93.1-20.9=67.1-13.1= 123.9+455.6= 3.88-5.77= 33.72+22.3=123.2+65.1= 16.3+97.5= 78.9+65.4= 22.5-19.5=73.55-14.68= 46.32+65.18= 5.44+53.12= 96.42-13.88=42.5+17.8= 63.22+22.77= 69.12-58.3
3、9= 63.2-45.4=42.55-0.69= 0.55-0.33= 45.96-24.41= 75.2-28.3=1456.23+9.6-8.6= 5.2+6.3-584.3= 8.42+9.48= 42.56+3.124= 91.26-30.35= 15.6十0.237= 80-52.1= 7.35-1.41= 14.33+5.46= 12.59+7.03= 25.7-12.2= 3.3+22.75= 14.9+3.49= 12.75-6.039= 13.01-3.1= 89-9.57= 16.35+3.59= 8.42+9.48= 42.56+3.124= 91.26-30.35= 8
4、0-52.1= 7.35-1.41= 15.6十0.237= 15.84-13.97= 21.46+43.96= 9.6-5.8= 8.25+2.46= 28.97-19.78= 28.42-16.38= 12.48+7.54= 1.62+1.41= 67.83-45.9= 83-8.45= 13.98-2.88= 0.98+2.56= 18.72-9.83= 50.35-28.44= 25.5-3.26= 8.95-4.44= 9.56+3.44= 2、脱式计算8-7.19+3.83 2.58-(3.5-2.12) 8.4-7.85+3.213.75-5.28-4.72 2.25+4.8+0
5、.75 9.65-(7.03+1.65)6.24(2.19+1.86) 3.8+1.4 2.35 2.36+0.88-2.63+0.21 6.39+0.3-6.39+0.31 8.51-9.03-0.97 32+6.4十68十3.6 5.93+0.19+2.81 7.3+2.7-7.3+2.7 48.4+2.78+51.6-0.78 10.27十0.4-8.27 24.6一3.98十5.4-6.02 25.6-(0.23+5.6)-1.773、用小数计算5元6角2分+3元零9分= 1吨30千克+980千克= 4米35厘米+5米70厘米= 6千米- 2千米860米= 10千克- 4千克800克= 4千米890米- 3千米50米= 20米16厘米-7米4分米 9千米80米+1千米6米 6吨4千克-5吨14千克 3元6角5分+7元5角4分 5米80厘米十4米15厘米 5元6角十8元3角 2吨50千克十630千克 8米6厘米十5米60厘米 6吨50千克- 650千克