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第四单元小数加法和减法竖式计算专项特训(专项突破)-小学数学五年级上册苏教版
一、计算题
1.竖式计算,带*号的要验算。
(1)50-37.5=
(2)10.9+0.32=
(3)*8.2-3.56=
2.用竖式计算
①18.82+5.7=
②108-18.57=
③12.54-1.83=
④103+7.26=
⑤48.35-29.85= 验算:
⑥12.9+5.01= 验算:
3.用竖式计算,打☆的题目要验算。
(1)☆5.32-3.7=
(2)9.08+11.96=
(3)100-27.24
4.用竖式计算。(带★的要验算)
(1)109.7+2.39=
(2)11.8-7.64=
(3)★18.76+3.14=
(4)★60-28.28=
5.竖式计算,带※的要验算。
(1)3.76+4.53=
(2)6.92-1.38=
(3)※12.73+3.47=
(4)※112.3-45.69=
6.竖式计算。
(1)2.87+4.18=
(2)10.01-1.289=
7.用竖式计算。(打★的题目要验算)
(1)7.4+12.86=
(2)20-5.674=
(3)★141.2-48.98=
8.列竖式计算下面各题。
①4.8+5.96
②8-3.28
③6.38+5.55
④6.53+8.3
⑤7.5-0.89
⑥1.35-0.76
9.用竖式计算。(加★的要验算)
①4.79-1.83=
②6.87+2.6=
③★15.02-0.98=
④105+5.65=
⑤0.9-0.69=
⑥★16.87+4.36=
10.列竖式计算. (带★的要验算)
(1)★15.78+6.7=
(2)106.34-7.37=
(3)★50-29.36=
11.竖式计算。
(1)93.53-88.07=
(2)3.86+3.4=
(3)7-5.08=
12.用竖式计算(前两题要验算)。
①13.36+7.74=
②15-7.09=
③6.8-0.59=
④5.43+6.57=
⑤9.5-6.69=
13.用竖式计算,带*号的要验算。
(1)7-3.86=
(2)5.73+6.37=
(3)*4.2+8.08=
(4)*5.02-4.6=
14.用竖式计算。
(1)25.7-6.87=
(2)10.7+0.83=
(3)12-2.25=
(4)7.63+12.4=
15.列竖式计算。
(1)6.89+10.5=
(2)20-7.48=
(3)57.97+10.33=
(4)26.92-12.95=
16.用竖式计算,带*的要验算。
(1)4.59+5.8=
(2)8.17-4.35=
(3)9.48+6.57=
(4)*15.4-8.72=
17.用竖式计算,带★的题要写出验算过程。
(1)7.3+5.47=
(2)8-6.07=
(3)27.98+3.02=
(4)★8.42-8.06=
18.用竖式计算(带☆题要验算)
①5.89+58=
②6-5.66=
③☆7.85+2.15=
④9.8-3.58=
⑤3.86+0.44=
⑥☆32.9-4.29=
19.列竖式计算,带*的要验算。
(1)*10.9+7.31=
(2)*100-31.35=
(3)5.3+0.89=
(4)1.25-0.76=
20.列竖式计算。(带*号的要验算)
(1)2.87+4.18=
(2)43.8+2.62=
(3)*9-5.48=
答案解析部分
1.【答案】(1)50-37.5=12.5
(2)10.9+0.32=11.22
(3)8.2-3.56=4.64
验算:
2.【答案】解:①18.82+5.7=24.52
②108-18.57=89.43
③12.54-1.83=10.71
④103+7.26=110.26
⑤48.35-29.85=18.5
验算:
⑥12.9+5.01=17.91
验算:
3.【答案】(1)5.32-3.7=1.62
验算:
(2)9.08+11.96=21.04
(3)100-27.24=72.76
4.【答案】(1)109.7+2.39=112.09
(2)11.8-7.64=4.16
(3)18.76+3.14=18.76
验算:
(4)60-28.28=31.72
验算:
5.【答案】(1)解:
(2)解:
(3)解:
(4)解:
6.【答案】(1)2.87+4.18=7.05;
(2)10.01-1.289=8.721;
7.【答案】(1)7.4+12.86=20.26
(2)20-5.674=14.326
(3)141.2-48.98=92.22
验算:
8.【答案】①4.8+5.96=10.76
②8-3.28=4.72
③6.38+5.55=11.93
④6.53+8.3=14.83
⑤7.5-0.89=6.61
⑥1.35-0.76=0.59
9.【答案】①4.79-1.83=2.96
②6.87+2.6=9.47
③15.02-0.98=14.04
验算:
④105+5.65=110.65
⑤0.9-0.69=0.21
⑥16.87+4.36=21.23
验算:
10.【答案】(1)15.78+6.7=22.48
验算:
(2)106.34-7.37=98.97
(3)50-29.36=20.64
验算:
11.【答案】(1)93.53-88.07=5.46
(2)3.86+3.4=7.26
(3)7-5.08=1.92
12.【答案】①13.36+7.74=21.1
验算:
②15-7.09=7.91
验算:
③6.8-0.59=6.21
④5.43+6.57=12
⑤9.5-6.69=2.81
13.【答案】(1)7-3.86=3.14
(2)5.73+6.37=12.1
(3)*4.2+8.08=12.28
验算:
(4)*5.02-4.6=0.42
验算:
14.【答案】(1)25.7-6.87=18.83
(2)10.7+0.83=11.53
(3)12-2.25=9.75
(4)7.63+12.4=20.03
15.【答案】(1)6.89+10.5=17.39
(2)20-7.48=12.52
(3)57.97+10.33=68.3
(4)26.92-12.95=13.97
16.【答案】(1)4.59+5.8=10.39
(2)8.17-4.35=3.82
(3)9.48+6.57=16.05
(4)15.4-8.72=6.68
验算:
17.【答案】(1)7.3+5.47=12.77
(2)8-6.07=1.93
(3)27.98+3.02=31
(4)8.42-8.06= 0.36
验算:
18.【答案】①5.89+58=63.89
②6-5.66=0.34
③7.85+2.15=10
验算:
④9.8-3.58=6.22
⑤3.86+0.44=4.3
⑥32.9-4.29=28.61
验算:
19.【答案】(1)10.9+7.31=18.21
验算:
(2)100-31.35=68.65
验算:
(3)5.3+0.89=6.19
(4)1.25-0.76=0.49
20.【答案】(1)2.87+4.18=7.05
(2)43.8+2.62=46.42
(3)9-5.48=3.52
验算:
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