小学一年级学加减法的方法及练习题
一年级数学 07-12155
08-03
小学四年级数学上册《加减法口算》练习题电子版免费下载
1.5-0.5= 1-0.9= 2.3+0.6=
0.9+0.8= 1-0.3= 3.4-1.5=
1.9-0.9= 3.5-2.4= 0.36+0.64=
3.5+4.2= 6-0.5= 2.7-0.4=
0.8+0.7= 4.5-3= 7.8-1.1=
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= 8.65-6.31=
2.5+0.9= 1.2-0.5= 7.8+1.6=
0.39+0.15= 3-1.4= 4.7-2.8=
7.2-6.45= 15-0.48= 6.77-1.78=
3.45+5.75= 3.40+58.20= 111.6-99=
49.80+49.20= 7.8+21.02= 5.6-1.42=
12.5+0.9= 4.5-2.83= 3.75+2.25=
2.98+0.56= 12.53+4.67= 6.07+4.89=
5.64-1.78= 10.2-6.45= 5-0.41=
0.3+1.5= 2.5+9.8= 7.6+1.3=
4.4+5.7= 2.3+7.7= 5.7+3.1=
7.69+2.31= 9.16+2.64= 5.68+12.22=
16.8+16.5= 26.3+14.6= 6.9+3.4=
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