东旋口算小数加减，约分通分

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1、2.4+12.5=3.56-0.3=5.78-1.06=13.6-2.7=76.8-5.9=36.2-13.6=25.1+25.7=35.8+34.9=63.3+3.83=34.1-10.9=36.8-5.2=45.7-2.4=57.2+1.8=32.1-6.7=25.1-13.6=0.3+0.5＝7.9＋2.1＝0.14×3＝8-0.8＝1.72－0.2＝4.8+0.8＝1.55＋0.5＝4.5-2＝10.2-2.9=1.5－0.5＝0.96－0.7＝0.8＋0.5＝3.16+12.3=2.4+1

2、6.8=6.2-3.8=3.7＋2.36＝0.8－0.2＝0.06×8＝1.25＋0.8＝2.4＋0.06＝0.72+0.8＝2.35+4.7=5.3+1.42=12.3-3.6=3.67-1.8=2.47+0.4=23.6+1.35=12.5-4.8=25.7-5.8=3.6+4.68=2.3+1.09=32.4+2.8=3.6+25.6=4.7-1.4=23.5-2.9=3.5-2.9=4.9-2.9=4.8-0.9=6.8+2.7=5.5+4.5=6.4-6=7.3-0.3=1.4-1.4=3

3、.6+3.6=3.6-1.4=6.8+2.45=4.1-3.2=4.9-2.8=5.9+2.3=6.8+9=6+4.8=6-1.4=8-0.3=9-5.8=23.6-8.9=23.7+1.9=4.6+12.9=4.7+0.6=20-13.7=6.2+12.8=4.7+8=12-3.6=4.7+23=4.6+12.7=3+56.9=2-1.9=8-4.5=3.9-1.8=34.8+1.9=67.2-2.9=78.1-56.7=1.02+9.2=23.5-1.09=3-1.7=4.8+0.46=在括号里

4、填上合适的数=======================================约分:================================================================================================