出30道有理数加减混合运算的题目

1个回答

  • (-2)3;(2)-7+3-6; (3)(-3)×(-8)×25;

    (4)(-616)÷(-28); (5)-100-27; (6)(-1)*101; (7)0*21;

    (8)(-2)*4; (9)(-4)*2; (10)-3*2; (11)-2*3;(

    12)(-3)×(-5)2; (13)〔(-3)×(-5)〕2;

    (14)(-3)2-(-6); (15)(-4×32)-(-4×3)2.

    16)(-3)×(-5)2=(-3)×25=-75.

    (17)〔(-3)×(-5)〕2=(15)2=225.

    (18)(-3)2-(-6)=9-(-6)=9+6=15.

    (19)(-4×32)-(-4×3)2

    :(-2)2=4,

    -52=-25,

    (-1)5=-1,

    (-1(1)-9+5×(-6)-(-4)2÷(-8);

    (2)2×(-3)3-4×(-3)+15)4=1.

    1)-8+4÷(-2);

    (2)6-(-12)÷(-3);

    (3)3•(-4)+(-28)÷7;

    (4)(-7)(-5)-90÷(-15);

    (-2)4+(-4)2•(-1)7〕2m•(53+35).