人教版七年级数学上册第一单元复习题精选77Word格式.docx
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(-25)7÷
(-21)
—÷
6-10×
(-15)-2-(-9)
3
8
3÷
(-—)(-0.6)×
(-4)×
(-0.1)×
450
7
-1.4×
0.6+(-6)+(-95)(-1)2×
5-(-1)3÷
4
1×
(-—)+(-6)÷
(-8)(7+1)×
33×
(3+1)
(-3)×
8×
(-—)-(-2)(8+2)-42-(9+7)
6
-—4.5,-4.5,0,0.25,-2,-1.2,-3.1.
二、已知x是正数,并且-7<
2,在数轴上表示x所能取得的所有数值。
—4,-8,0,-0.75,-1.25,-6.4,-1.8.
-800+30080-(-8)-65-45
37+(-42)-2×
(-20)-4-(-13)
—-29+(-29)-3÷
(-1)
4×
(-—)(-1)×
(-1.8)÷
(-0.7)×
100
-200×
0.9÷
(-1.8)×
(-30)(-3)3×
3-(-1)2÷
5
(-—)-(-4)-(-6)(3-8)+13+(0-2)
5
(-8)-9÷
(-—)-(-4)-(5-6)-12+(6-8)
-—4.5,-6.5,0,1.25,-0.25,-1.6,-0.1.
7,在数轴上表示x所能取得的所有数值。
-—3.5,-9,0,-2,2.25,1.8,2.8.
-500+45077-(-47)-80+40
28+(-28)-9÷
(-7)-6÷
(-13)
-—×
37×
(-12)-3-(-14)
6÷
(-—)(-12)×
(-2)×
(-2.5)×
400
160×
5-(-60)-(-0.35)(-4)2÷
5+(-2)3×
7
3×
(-—)+(-4)÷
(-4)-(3-8)×
23+(0+9)
(-9)+3×
(-—)-(-3)(3+9)+23-(7-5)
—3.5,-4.5,0,1,-0.5,-0.6,-1.7.
二、已知x是正数,并且-5<
-—-6.5,6.5,0,-0.5,-1.75,3.6,-2.5.
-700-750-67-(-29)-55+65
3+(-47)7×
(-5)-9÷
(-10)
—+15-10+(-7)7-(-30)
(-—)(-20)×
(-200)×
(-10)×
250
-12×
8÷
(-6)+(-0.45)(-2)3×
3-(-4)2×
5×
(-—)-(-3)+(-5)(8-2)+33×
(7-2)
(-8)-8÷
(-—)×
(-9)-(3+6)-33×
(2-6)
-—6,-4.5,0,3.25,-3.25,-0.6,-1.8.
二、已知x是正数,并且-3<
0,在数轴上表示x所能取得的所有数值。
-—-3.5,10,0,-1.75,-0.25,-4.4,3.3.
-500-10065+(-18)-65-65
42+(-21)5÷
(-13)-8+(-20)
—-271×
(-16)6-(-14)
(-1.4)+(-4)×
2.5
200×
9÷
(-1.8)-(-0.5)(-1)2÷
6+(-1)3÷
2×
(-3)-(-9)(9-3)×
42÷
(1+6)
(-3)-5÷
(-3)-(8-2)-13-(3+2)
-—5,-6,0,1.25,-0.25,-3,-1.3.
二、已知x是正数,并且-1<
1,在数轴上表示x所能取得的所有数值。
—4.5,4.5,0,-2.75,-0.25,-3.8,0.8.
-600+70024+(-17)-40-35
-32-(-27)6÷
(-28)7×
(-9)
-—÷
244-(-6)-8÷
(-20)
(-—)(-140)×
(-0.8)÷
(-70)×
200
-120×
0.5×
(-80)×
(-40)(-3)2÷
6-(-1)2÷
9×
(-6)-(-3)(7-9)-13×
(1+2)
9
(-9)-2÷
(-9)-(4+6)+12×
(9+7)
-—3.5,-5.5,0,1.5,-1.75,-0.2,-2.1.
5,在数轴上表示x所能取得的所有数值。
—-4,8,0,-2.75,1.25,-2.8,-0.3.
-950-70032+(-50)-80+80