itgle.com

计算下面各题。 3/4+5/6= 2/3-1/4= 4/5+11/15+3/10= 7-5/7= 1/2+2/3= 6-(3/4-2/5)=

题目

计算下面各题。  

3/4+5/6=   2/3-1/4=  4/5+11/15+3/10= 7-5/7=     1/2+2/3=   6-(3/4-2/5)=


相似考题
更多“计算下面各题。 3/4+5/6= 2/3-1/4= 4/5+11/15+3/10= ”相关问题
  • 第1题:

    计算:

    (1)36×(1/2-1/3)2 

    (2)12.7÷(-8/19) ×0

    (3)4×(-3)2+6

    (4)(-3/4)×(-8+2/3-1/3)

    (5)(-2)3-13÷(-1/2)

    (6)0-23÷(-4)3-1/8

    (7)(-2)3×0.5-(-1.6)2÷(-2)2

    (8)(-3/2)×[(-2/3)2-2]

    (9)[(-3)2-(-5)2] ÷(-2)

    (10)16÷(-2)3-(-1/8) ×(-4)


    (1)1;  (2)0;  (3)42;  (4)5.75;  (5)18;  (6)0; (7)-4.64;  (8)4/3;  (9) -8; (10)-2/3

  • 第2题:

    计算:

    (1)(-8)-(-1)                                        (2)45+(-30)                          

    (3)-1.5-(-11.5)                                    (4)-1/4-(-1/2)                            

    (5)15-[1-(-20-4)]                                                                    (6)-40-28-(-19)+(-24)                        

    (7)22.54+(-4.4)+(-12.54)+4.4       

    (8) (2/3-1/2)-(1/3-5/6)                         

    (9)2.4-(-3/5)+(-3.1)+4/5                                                               (10)(-6/13)+(-7/13)-(-2)

    (11)3/4-(-11/6)+(-7/3)

    (12)11+(-22)-3×(-11)

    (13)(-0.1)÷1/2×(-100)

    (14)(-3/4)×(-2/3 - 1/3) ×0

    (15)(-2)3-32

    (16)23÷[(-2)3-(-4)]

    (17)(3/4-7/8)÷(-7/8)

    (18)(-60)×(3/4+5/6)


    (1)(-8)-(-1)=-7                                      

    (2)45+(-30)=15                          

    (3)-1.5-(-11.5)=10                                    

    (4)-1/4-(-1/2)=1/4                            

    (5)15-[1-(-20-4)]=-10                                                                     (6)-40-28-(-19)+(-24)=-73                        

    (7)22.54+(-4.4)+(-12.54)+4.4=10       

    (8) (2/3-1/2)-(1/3-5/6)=-1                         

    (9)2.4-(-3/5)+(-3.1)+4/5=0.7                                                                (10)(-6/13)+(-7/13)-(-2)=1

    (11)3/4-(-11/6)+(-7/3)=1/4

    (12)11+(-22)-3×(-11)=22

    (13)(-0.1) ÷1/2×(-100)=20

    (14)(-3/4) ×(-2/3 - 1/3) ×0=0

    (15)(-2)3-32=-17

    (16)23÷[(-2)3-(-4)]=-23/4

    (17)(3/4-7/8) ÷(-7/8)=1/7

    (18)(-60) ×(3/4+5/6)=-95

  • 第3题:

    程序填空:计算Y=1×2+3×4+5×6+7×8+9×10的程序段如下,空白地方应为 : MOV AL,1 MOV BL,2 MOV DX,0 MOV CX, AA1:MUL BL ADD DX,AX INC BL MOV AL,BL INC BL LOOP AA1


    123 45.000000

  • 第4题:

    计算:

    (1)36×(1/2-1/3)2

    (2)12.7÷(-8/19) ×0

    (3)4×(-3)2+6

    (4)(-3/4)×(-8+2/3-1/3)

    (5)(-2)3-13÷(-1/2)

    (6)0-23÷(-4)3-1/8

    (7)(-2)3×0.5-(-1.6)2÷(-2)2

    (8)(-3/2)×[(-2/3)2-2]

    (9)[(-3)2-(-5)2]÷(-2)

    (10)16÷(-2)3-(-1/8)×(-4)


    (1)1;  (2)0;  (3)42;  (4)5.75;  (5)18;  (6)0; (7)-4.64;  (8)4/3;  (9) -8; (10)-2/3

  • 第5题:

    1×1-2×2+3×3-4×4+5×5-6×6+……+9×9-10×10=

    A. -55
    B. -45
    C. 45
    D. 55

    答案:A
    解析:
    解题指导: 原式可化为:(12-22)+(32-42)+(52-62)+(72-82)+(92-102)=-(1+2+3+……+10)=-55,故答案为A。