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.凑十法练习题.9+ 6 =9+ 5 =9 + 4 =9+ 3 =9+ 2 =9+ 7 =9+ 8 =9+ 9 =8+ 8=8+ 7 =8+ 9 =8+ 6 =8+ 5=8+ 4=8+ 3 =7+ 9=7+ 8=7+ 7 =7+ 6=7+ 4=7+ 5=6+ 9=6+ 8=6+ 7=.6+6=6+5=5+9=5+8=5+7=5+6=4+9=4+8=4+7=3+9=3+8=2+9=破十法练习题18 9 =17 9 =16 9 =15 9 =14 9 =13 9 =12 9 =11 9 =.17 8 =16 8 =15 8 =14 8 =13 8 =12 8 =11 8 =16 7 =15 7 =14 7 =13 7 =12 7 =11 7 =15 6 =14 6 =13 6 =.12 6 =11 6 =14 5 =13 5 =12 5 =11 5 =13 4=12 4=11 4=12 3 =11 3 =11 2 =.