
用竖式计算,带★的验算①3.48×0.05= ②3.06×45= ③
用竖式计算,带★的验算①3.48×0.05=②3.06×45=③★8.45÷0.65=④0.9×1.07=⑤6.21÷0.03=⑥★19.76÷5.2=...
用竖式计算,带★的验算①3.48×0.05= ②3.06×45= ③★8.45÷0.65= ④0.9×1.07= ⑤6.21÷0.03= ⑥★19.76÷5.2=
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①3.48×0.05=0.174,
3.48
,
②3.06×45=137.7,
3.06
,
③8.45÷0.65=13,
13
0.65
,
验证:0.65
,
④0.9×1.07=0.963,
1.0 7
,
⑤6.21÷0.03=207,
2 07
0.03
,
⑥19.76÷5.2=3.8,
3.8
5.2
,
验算:3.8
.
3.48
×0.05 |
0.174 |
②3.06×45=137.7,
3.06
×45 |
15 30 |
12 2 4 |
137.70 |
③8.45÷0.65=13,
13
0.65
8.45 |
6 5 |
1 95 |
1 95 |
0 |
验证:0.65
×13 |
1 95 |
6 5 |
8.45 |
④0.9×1.07=0.963,
1.0 7
×0.9 |
0.9 6 3 |
⑤6.21÷0.03=207,
2 07
0.03
6.21 |
6 |
21 |
21 |
0 |
⑥19.76÷5.2=3.8,
3.8
5.2
19.76 |
15 6 |
4 16 |
4 16 |
0 |
验算:3.8
×5.2 |
7 6 |
19 0 |
19.7 6 |
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