2020秋初一数学有理数计算100题(含参考答案)

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2020秋初一数学有理数计算100题(含参考答案)

猿辅导初一数学有理数计算 100 题 - 1 - 初一数学有理数计算 100 题 本⽂档包括了 100 道有理数计算题,可以将其划分成20个部分,每个部分 5个题目。建议你连续 20 天、每天拿出 10 分钟来练习这些题目,在规定时间 内⼀⽓呵成。如果做错了,就把错题标注出来,并搞清楚错在哪里、 为什么会错。 过⼀段时间,再将上述过程重复⼀次。 坚持不懈总是举步维艰的,半途⽽废总是 轻⽽易举的。⼀定要持之以恒! 猿辅导初一数学有理数计算 100 题 - 2 - (1) (-13)+25 = ; (2) (-52)+(-7) = ; (3) 4.5+(-4.5) = ; (4) (-11)+8+(-14) = ; (5) (-4)+(-3)+(-4)+3= ; (6) (-6)-6 = ; (7)  ))()()( 3 2(4 1-3 2-4 3- ; (8)  )()()( 2-6 1-3 1 2 1- ; 猿辅导初一数学有理数计算 100 题 - 3 - 2 1 (9) 0.35+(-0.6)+0.25+(-5.4) = ; (10) -26+43-24+13-46= ; (11) -21-12+33+12-67= ; (12) (-2)+(-7)-(-2) = ; 9 9 (13)-(-18)+12-15+(-17)= ; (14)-7.5+4.7-(-8.9)+(-6) = ; (15) - 3 2 +(- 6 1 )- (- - ) = ; 4 1 猿辅导初一数学有理数计算 100 题 - 4 - 32 4 3 1 (16) -24+(-40)-28-(-19)-(-32) = ; (17) 3 +2.25 8 -12 = ; (18) 3.5 ÷ ×|- 4 3 |= ;(21) (19) -24×(-1+3-1)= ; (19) - - + = ; 4 3 8 3 12 5 8 7 4 5 2 1 2 3 90 1 猿辅导初一数学有理数计算 100 题 - 5 - 5 2 = 2 12 ( ) 6 (22) - (23) (-23)-(-18)-1+(-15)+23= ; (24) (-56)-48-(-48)-(-56) = ; (25) (-6)-(-0.2)+1= ; (26) 1+ 5+ - 7 1 2 2 +7 ; (27) (-3)+(- 5 ) 5 (- 7 )= ; 2 12 +2+ 12 (28) (1+5- 7 )×(-36) = ; 3 7 14 7 猿辅导初一数学有理数计算 100 题 - 6 - 2 5 (29) 3×5-(-5)×5+(-1)×5= ; (30) 3×(-2)÷(—6) (31) (-6)÷2×(-1)= ; (32) (-5)÷(-1)×5= ; (33) (-13)×(-15)×0×(-901) = ; (34) 0.1×(-0.001)×(-10) = ; (35) (-5)×7+13×7 = ; 猿辅导初一数学有理数计算 100 题 - 7 - (36) 0÷(-5)×100 (37) (-2)÷(-10)×(- (38) (-2)×6÷ (-3) (39) (-84)÷2×(-3)÷(-6 ) (40) 1÷(- )× 1 (41) 100÷8×(-8) (42) (7-7- 7 )×(-8) 4 8 16 7 (43) -32-(-3)3+(-2)2-23 3 10 7 2 7 1 猿辅导初一数学有理数计算 100 题 - 8 - 4(44) (-0.25)+(-3)-︱-13︱-(-3) (45) (-5)×(-11)+13×(-11)-3×(-11) 5 5 5 13 (46) 3924×(-12) (47)-1.2×4÷(- 3 15) (48) ︱-45︱+(-71) +︱-5︱+(-9) (49)-14-4×(-1)÷(-1) 4 2 猿辅导初一数学有理数计算 100 题 - 9 - (50) -3×( )2× (51) (-1)2+6÷(- 1+1)-4×(1-1) 2 3 2 4 (52) -18÷(-3)2 (53)(-3)3÷(6-32) (54)(5+ 1 3÷3)÷(-2)+(-3)2 (55)24+16÷(-2)2÷(-10) (56) 18-6÷(-3)×(-2) 6 5 15 1 猿辅导初一数学有理数计算 100 题 - 10 - 4 )6 3 2 2 1 1 1 2 (57)(2 - 3)÷(-6)+(-2) ×(-14) (58)( 1-1)×(-6)+(-1)2÷(-1)3 3 2 2 2 (59) (1-5+1+3)÷(-1 2 (60) -14-[2-(-3)2] (61) (-8)÷[(-0.2)2-(-3.96)]+(-2)×(-3.25) (62) [ 8.5-(-4.5)+(-3)3]×0.5÷(0.2)3 (63) (-4)×(-2)×(-0.5)3 猿辅导初一数学有理数计算 100 题 - 11 - 3 (64) (2+1)÷(- 1 )×(-12) 3 2 12 (65) 122÷(-3)2×(-2)3-(-9)2÷33 (66) 2÷(-2)+0÷7-(-8)×(-2) (67) -5+(-2)4-24÷(-2)3 (68) (-1)3×(-5)÷[(-3)2+2×(-5)] (69)(-2 )4 (70) -(-0.4)2 猿辅导初一数学有理数计算 100 题 - 12 - 12 9 18 (71) (-4)÷(-3) 3 4 (72) (-5)×(-11-6+0.6) 6 5 (73)0.7× 3 -6.6×3-1.1×3+0.7× 8 11 7 7 11 (74)78×(-2)+(-11)×(-2)+(+34)×2 3 3 3 1 5 (75)(3-6+ 7)÷(- 1 (76) -9÷(+0.25)×(-11 ) (77) 2-3-(1-0.5÷3)×[2-(-3)2] ) 猿辅导初一数学有理数计算 100 题 - 13 - 5 (78) (- ) 2 ×(-7)×(-2)2 (79) (- 6 427)÷6 (80) 0.5+(-15)-(-17)-︱-12︱ (81) (-1)2 +(-1)2020+ (82) (-2)2 -20 ÷ 22 × 1 2 1 3 1 猿辅导初一数学有理数计算 100 题 - 14 - (83)(1- 3 0.2×5)÷( -11) (84)-5÷(-5)×3-(-1) 6 4 2 2 (85) (-1)+(-1)3 -(-1)4+0.1 (86)[-32-(-4)3]÷[(-9)-(-4)] (87)(-1)2001-(-1)2000 (88)1÷(-1)2+0÷5-5×︱-1︱ 猿辅导初一数学有理数计算 100 题 - 15 - 5 6 9 (89) -︱-3︱2+(-3) 2 (90) (-5)3×(-3)-32÷(-2)2×(- 1 14) (91) (- )2×0.62+(-0.8)2×(- )2+(- ) (92) [(-3)2-22-(-5)2]×(5÷4)×(-2)4 (93)(-2)×(-3)3+(-27)×2 1 2 1 2 1 (94) 42×[-3 ×(-3) -0.8]÷(-54) 2 3 2 3 4 9 猿辅导初一数学有理数计算 100 题 - 16 - 2 42 17 179 (95)-10+8÷(-2)2-(-4)×(-3) (96)52-3×[-32+(-2)×(-3)]+(-5)2 (97) (-15 1)÷(3- 11-3)×6 (98) - 1 1 ÷(6- 2 2 7+3- 3 ) 14 (99) -0.85× 8 -18 2×7+( 18÷7- 9 ×0.85) 猿辅导初一数学有理数计算 100 题 - 17 - 3 12 21 2 3 2 2 )-36 4 6 7 3 )-25 2 初一数学有理数计算 100 题 参考答案 (1)12 (2)-59 (3)0 (4)-17 (5)-8 (6)-12 (7)-1 (8)-7 (9)-5.4 (10)-40 (11)-55 (12)1 (13)-2 (14)0.1 (15)-13 (16)-41 19 1 (17)-1424 (18)3 (19)2 (20)-2 ( )-29 90 1)-14 (23)2 (24)0 (25)0 (26)1 (27)0 (28)-27 (29)35 (30)1 (31)3 (32)125 (33)0 (34)0.001 (35)56 (36)0 (37)-2 (38)4 (39)-21 (40)-1 (41)-6400 (42)-1 (43)14 (44)-2 (45)-11 (46)-474.5 (47)3 (48)-30 (49)-3 (50 5 (51)391 (52)-2 (53)9 (54)2 (55)15.6 (56)14 (57)-57 (58)-1 (59)5 (60)6 (61)4.5 (62)-875 (63)-1 (64)168 (65)-131 (66)-17 (67)13 (68)-5 (69) (70)-0.16 (71) (72)5.5 (73)-2.6 (74)-22 (75)-5 (76)33 (77)-7 (78)31 (79)-71 (80)-9.5 (81)21 (82)3 (83 2 (84)3 (85)-2.9 (86)-11 (87)-2 (88)-4 (89)0 (90)85 (91)0 (92)-600 (93)0 (94) (95)-20 (96)59 (97) 5 3 (98) (99)17.42 (100) (22 81 16 9 16 54 35 14 1 37 333
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