人教版四年级上册数学《加减法口算》练习电子版免费下载

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= 49.80+49.20=

111.6-99= 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=

52.3+64.7= 12.75-5.3= 8.24+16.93=

0.75+0.4= 20+0.78= 4.8+4.2=

5.7-3= 4.9-1.7= 1.34+0.8=

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