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1、6.14+3.83= 7.93-1.64= 5.23-2.36= 3.44+3.36=7.74-5.85= 9.35-4.74= 38.63-3.48= 1.16+4.77=8.17-5.26= 2.26-0.86= 4.93+4.75= 76.55+4.68=31.1+4.5= 31.9+3.4= 3.45+4.6= 4.45+54.5=3.83+5.55= 2.75+1.3= 39.4-2.75= 67.3-1.26=61.9+6.2= 67.1-6.6= 46.8-2.8= 47.6-2.15=44.4+1.4= 1.7+9.66= 43.3+6.3= 64.4+8.67=55.5-1.
2、9= 38.9-5.55= 0.7+0.9= 0.8+0.6=8.24+3.76= 4.1-3.8= 0.78+2.2= 14+0.78=14.6-0.34= 1.3+8.56= 0.8-0.55= 4-0.04=1-0.03= 30.5+3.05= 0.8-0.45= 5-0.08=3.25+0.75= 8.65-6.31= 10-7.64= 13.6+8.46=0.99+1.1= 10-0.1= 1 .5-0.5= 1-0.9= 2.3+0.6=0.9+0.8= 1.9-0.9= 3.5 2.4= 0.36+0.64= 0.96-0.3=7.5-3.18= 0.51-0.37= 4-0.8
3、2= 5.26-4.75= 13-3.9=8.04-7.4= 0.68+0.06= 5.2+0.48= 1-0.73= 3.6+4.8=0.78-0.28= 20.9-9.7= 10-0.09= 3.8+0.12= 0.01+0.1=4.9+5.1= 4.7-0.47= 8.7-7.8= 26.7+147.2=801.6-21.9= 100-19.2= 15.78+2.45= 33.4-9.48=38.63-3.48= 1.16+4.77=8.17-5.26= 2.26-0.86= 4.93+4.75= 55.5-1.9=38.9-5.55= 0.7+0.9= 0.8+0.6=8.24+3.7
4、6= 4.1-3.8= 0.78+2.2= 14+0.78=14.6-0.34= 1.3+8.56= 8.65-6.31= 10-7.64= 13.6+8.46=0.99+1.1= 10-0.1= 1 .5-0.5= 1-0.9= 46.8-2.8= 47.6-2.15=44.4+1.4= 1.7+9.66= 43.3+6.3= 55.5-1.9= 0.96-0.3=7.5-3.18= 0.51-0.37= 4-0.82= 5.26-4.75= 13-3.9=8.04-7.4= 0.68+0.06= 5.2+0.48= 3.83+5.55= 2.75+1.3= 39.4-2.75= 67.3-
5、1.26=61.9+6.2= 67.1-6.6= 1-0.03= 30.5+3.05= 0.8-0.45= 5-0.08=64.4+8.67=口算2.1+0.2= 0.3+0.7= 3.6+1.6= 7.5-0.5=3.7-0.9= 2.1-0.2= 3.5+0.2= 1.2+0.3=1.9-1.1= 4.5-2.3= 1.2+4.5= 13.5-0.6=7.3+3.2= 5.6-3.9= 1.9+6.2= 4.5-2.1=1.5-0.5= 1-0.9= 2.3+0.6= 0.9+0.8=1.9-0.9= 3.5-2.4= 0.6+0.4= 7.9-0.3=4.1+0.8= 2.3+0.7=
6、3.4+1.2= 7.2-3.5=3.7-2.9= 2.3-1.2= 6.5+1.2= 2.2+5.3=2.3-1.7= 1.5+4.3= 1.1+4.7= 3.5-0.6=7.4+1.2= 5.2-3.9= 8.9-6.2= 10.5-9.1=1.7-0.5= 1.4-0.9= 2.3+0.8= 4.9+0.8=1.3-0.9= 7.5-2.4= 2.6+0.4= 3.9-0.8=7.9+8.2= 5.2+5.5= 6.9+6.4= 5.4+6.7=3.4+8.6= 5.9+4.3= 8.3+2.8= 2.8+8.9=9.8-4.8= 6.8-4.4= 7.2-3.7= 8.4-6.6=4.
7、8-3.3= 5.8-4.8= 7.7-4.9= 6.1+2.6=4.8-3.8= 8.7-5.3= 6.3+1.6= 8.7-5.5=2.7+6.4= 1.7+7.3= 6.7-2.2= 5.7-3.9=9.6-8.8= 5.6-2.7= 3.6+5.6= 7.6-3.7=9.0-5.9= 4.9+0.5= 3.9+2.4= 4.9-1.3=5.5+2.8= 8.6-3.7= 9.5-4.6= 3.5+5.1=2.5+6.4= 7.5-2.7= 4.5+2.2= 3.5+1.9=7.4-4.8= 5.4+5.5= 9.4-4.4= 4.4-2.3=1.4+2.2= 2.3+4.9= 6.2+
8、3.3= 3.9-2.4=1.9-0.9= 3.5-2.4= 0.6+0.4= 7.9-0.3=4.1+0.8= 2.3+0.7= 3.4+1.2= 7.2-3.5=3.7-2.9= 2.3-1.2= 6.5+1.2= 2.2+5.3=2.3-1.7= 3.6+1.6= 7.5-0.5=3.7-0.9= 2.1-0.2= 3.5+0.2= 1.2+0.3=1.9-1.1= 4.5-2.3= 1.2+4.5= 13.5-0.6=7.3+3.2= 2.6+0.4= 3.9-0.8=7.9+8.2= 5.2+5.5= 6.9+6.4= 5.4+6.7=3.4+8.6= 5.9+4.3= 8.3+2.8= 2.8+8.9=4
