2026年口算训练四年级数学下册人教版答案——青夏教育精英家教网—

初出茅庐
$66 + 44 =$
$60 + 87 =$
$98 + 20 =$
$45 + 65 =$
$85 + 40 =$
$77 + 51 =$
$38 + 88 =$
$56 + 65 =$
$96 + 56 =$
$72 + 28 =$
$99 + 23 =$
$68 + 85 =$
$23 + 77 =$
$52 + 32 =$
$19 + 91 =$
$30 + 82 =$
$88 + 12 =$
$29 + 92 =$
$78 + 43 =$
$67 + 76 =$
$85 + 47 =$

答案：1. $66 + 44 = 110$
2. $60 + 87 = 147$
3. $98 + 20 = 118$
4. $45 + 65 = 110$
5. $85 + 40 = 125$
6. $77 + 51 = 128$
7. $38 + 88 = 126$
8. $56 + 65 = 121$
9. $96 + 56 = 152$
10. $72 + 28 = 100$
11. $99 + 23 = 122$
12. $68 + 85 = 153$
13. $23 + 77 = 100$
14. $52 + 32 = 84$
15. $19 + 91 = 110$
16. $30 + 82 = 112$
17. $88 + 12 = 100$
18. $29 + 92 = 121$
19. $78 + 43 = 121$
20. $67 + 76 = 143$
21. $85 + 47 = 132$

过关斩将
$500 - 30 =$
$618 - 240 =$
$406 - 206 =$
$405 - 205 =$
$500 - 350 =$
$706 - 206 =$
$605 - 105 =$
$543 - 43 =$
$494 - 294 =$
$348 - 59 =$
$863 - 763 =$
$600 - 595 =$
$600 - 280 =$
$310 - 110 =$
$852 - 360 =$
$300 - 128 =$
$800 - 550 =$
$1500 - 150 =$
$290 - 193 =$
$610 - 370 =$
$940 - 480 =$

答案：1. $500 - 30 = 470$
2. $618 - 240 = 378$
3. $406 - 206 = 200$
4. $405 - 205 = 200$
5. $500 - 350 = 150$
6. $706 - 206 = 500$
7. $605 - 105 = 500$
8. $543 - 43 = 500$
9. $494 - 294 = 200$
10. $348 - 59 = 289$
11. $863 - 763 = 100$
12. $600 - 595 = 5$
13. $600 - 280 = 320$
14. $310 - 110 = 200$
15. $852 - 360 = 492$
16. $300 - 128 = 172$
17. $800 - 550 = 250$
18. $1500 - 150 = 1350$
19. $290 - 193 = 97$
20. $610 - 370 = 240$
21. $940 - 480 = 460$

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