《2025年名校课堂七年级数学上册人教版贵州专版》

1. (30 分)计算：
(1)36 + 79 = 115
(2)139 + 98 = 237
(3)880 - 407 = 473
(4)6.7 - 5.1 = 1.6
(5)36 - 3.6 = 32.4
(6)1 + 30% = 1.3
(7)48% - 26% = 0.22
$(8)4^{2} - 2^{3} = $8
$(9)\dfrac{7}{9} - \dfrac{2}{9} = $$\frac{5}{9}$
$(10)1 - \dfrac{2}{7} = $$\frac{5}{7}$
$(11)\dfrac{3}{10} + \dfrac{3}{5} = $$\frac{9}{10}$
$(12)\dfrac{4}{3} - \dfrac{4}{9} = $$\frac{8}{9}$
$(13)6 - \dfrac{7}{10} = $5.3
$(14)\dfrac{1}{4} - \dfrac{1}{5} = $$\frac{1}{20}$
$(15)\dfrac{4}{7} - \dfrac{1}{2} = $$\frac{1}{14}$

答案：
(1)115
(2)237
(3)473
(4)1.6
(5)32.4
(6)1.3
(7)0.22
(8)8
(9)$\frac{5}{9}$
(10)$\frac{5}{7}$
(11)$\frac{9}{10}$
(12)$\frac{8}{9}$
(13)5.3
(14)$\frac{1}{20}$
(15)$\frac{1}{14}$

2. (30 分)计算：
(1)125×8 = 1000 _________
(2)70÷100 = 0.7 _________
(3)56.92÷10 = 5.692 _________
(4)0.0032×1000 = 3.2 _________
(5)37×30 = 1110 _________
(6)15÷1% = 1500 _________
(7)20×75% = 15 _________
$(8)45×\dfrac{4}{9} = $20
$(9)\dfrac{8}{11}÷4 = $$\frac{2}{11}$
(10)1.4×0.5 = 0.7 _________
(11)0.72÷0.4 = 1.8 _________
(12)0.8÷80% = 1 _________
$(13)\dfrac{7}{8}÷\dfrac{7}{24} = $3
$(14)\dfrac{4}{11}×\dfrac{11}{14} = $$\frac{2}{7}$
$(15)0.9×\dfrac{7}{18} = $0.35

答案：
(1)1 000
(2)0.7
(3)5.692
(4)3.2
(5)1 110
(6)1 500
(7)15
(8)20
(9)$\frac{2}{11}$
(10)0.7
(11)1.8
(12)1
(13)3
(14)$\frac{2}{7}$
(15)0.35

3. (40 分)计算：
(1)150×6 = 900 _________
(2)210÷3 = 70 _________
(3)11×30 = 330 _________
$(4)\dfrac{5}{6} - \dfrac{1}{6} = $$\frac{2}{3}$
(5)2.5×16 = 40 _________
$(6)\dfrac{5}{3} + \dfrac{7}{9} = $$\frac{22}{9}$
(7)20×20% = 4 _________
(8)1 - 90% = 0.1 _________
(9)2÷20% = 10 _________
(10)13.5÷0.5 = 27 _________
(11)15.5÷5 = 3.1 _________
$(12)1.8×\dfrac{1}{6} = $0.3
(13)40% + 1.6 = 2 _________
(14)1.02×0.2 = 0.204 _________
(15)5.2÷13 = 0.4 _________
$(16)\dfrac{5}{8}×\dfrac{16}{5} = $2
(17)13÷2÷13 = 0.5 _________
(18)25×0.7×4 = 70 _________
(19)24÷6×8 = 32 _________
(20)17×5 + 8 = 93 _________

答案：
(1)900
(2)70
(3)330
(4)$\frac{2}{3}$
(5)40
(6)$\frac{22}{9}$
(7)4
(8)0.1
(9)10
(10)27
(11)3.1
(12)0.3
(13)2
(14)0.204
(15)0.4
(16)2
(17)0.5
(18)70
(19)32
(20)93