429
+352 |
781 |
验算:
352
+429 |
781 |
514÷3=171…1;
171
3
514 |
3 |
21 |
21 |
4 |
3 |
1 |
验算:
171
× 3 |
513 |
+ 1 |
514 |
249÷8=31…1;
31
8
249 |
24 |
9 |
8 |
1 |
验算:
31
× 8 |
248 |
+ 1 |
249 |
564÷7=80…4;
80
7
564 |
56 |
4 |
验算:
80
× 7 |
560 |
+ 4 |
564 |
864-680=184;
864
?680 |
184 |
验算:
680
+184 |
864 |
605÷5=121;
121
5
429+352=781; 429
验算: 352
514÷3=171…1; 171 3
验算: 171
249÷8=31…1; 31 8
验算: 31
564÷7=80…4; 80 7
验算: 80
864-680=184; 864
验算: 680
605÷5=121; 121 5
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