直接写出得数．
3.4﹣1.4= 0.68+0.42= 4.8+2= 0.48+0.52=
2+9.1= 8.1﹣5.1= 2.6+2= 0.8+0.18=
3.5+0.3= 0.72﹣0.09= 1﹣0.01= 7.82﹣7.2=
6.5﹣5.6= 0.78﹣0.24= 0.24+0.6= 0.6+0.34=
相关试题
直接写出得数．
3.4﹣1.4= 0.68+0.42= 4.8+2= 0.48+0.52=
2+9.1= 8.1﹣5.1= 2.6+2= 0.8+0.18=
3.5+0.3= 0.72﹣0.09= 1﹣0.01= 7.82﹣7.2=
6.5﹣5.6= 0.78﹣0.24= 0.24+0.6= 0.6+0.34=
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= 31×199≈
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