82+(-8)2=________?????????????????????
(-7)3+73________
-3×(-32)________??????????????
(-)3×(10)2=________
-32+(-2)2________.
(-3)(-2)+(-4)(-5)=________.
网友回答
128 0 243 - -5 26
解析分析:按照有理数混合运算的顺序,先乘方后乘除最后算加减,有括号的先算括号里面的.
解答:82+(-8)2
=64+64
=128;
?????????????????????
(-7)3+73 0
=-73+73
=0;-3×(-32)
=-3×9×(-9)
=243??????????????(-)3×(10)2=-;-32+(-2)2
=-9+4
=-5;(-3)×(-2)+(-4)×(-5)
=6+20
=26.
故