《2025年通城学典初中数学运算能手七年级上册人教版》

一、填空题
1. $(-26)+38+(-74)=$-62
2. $19.1-3.5-6.5=$9.1
3. $7\frac {5}{6}-\frac {1}{4}+2\frac {1}{6}-\frac {3}{4}=$9
4. $999×4.7+4.7=$4700
5. $16-35-15+34=$0
6. $(\frac {2}{7}-\frac {2}{3})×21=$-8
7. $8×(-4.7)×(-0.125)=$4.7
8. $14\frac {14}{19}÷(-14)=$$-1\frac{1}{19}$

答案： 1. -62 2. 9.1 3. 9 4. 4700 5. 0 6. -8 7. 4.7 8. $-1\frac{1}{19}$

二、计算题
9. $(-360)÷25÷(-4)$
10. $5\frac {3}{8}+1\frac {3}{7}+\frac {5}{8}+(-\frac {3}{7})$
11. $-99\frac {27}{28}×56$
12. $-2.35+(-9.4)-(-29.4)-7.65$
13. $0.8×(-\frac {5}{13})-(-\frac {3}{5})÷(-2\frac {3}{5})-\frac {5}{13}×(-1\frac {3}{5})$
14. $(\frac {1}{2}×1\frac {1}{2})×(\frac {2}{3}×1\frac {1}{3})×(\frac {3}{4}×1\frac {1}{4})×... ×(\frac {98}{99}×1\frac {1}{99})×(\frac {99}{100}×1\frac {1}{100})$

答案： 9. 3.6 10. 7 11. -5598 12. 10 13. $\frac{1}{13}$ 14. $\frac{101}{200}$