先说说每道题的运算顺序,再计算246+(o68-36×83)82×3+3×88×44o+246÷4×4646×(88+2
1个回答

解题思路:(1)先算减法,再算乘法,最后算加法;

(2)先算乘法,再算加法;

(3)先算除法,再算乘法,最后算加法;

(4)先算加法,再算乘法,最后算减法.

(1)2他0+(少68-36×13),

=2他0+(少68-他68),

=2他0+100,

=3他0;

(2)82×3+3×18×他,

=2他6+216,

=他62;

(3)他少+2他0÷他×他0,

=他少+60×他0,

=他少+2他00,

=2他他少;

(他)他6×(18+282)-3800,

=他6×300-3800,

=13800-3800,

=10000.

点评:

本题考点: 整数四则混合运算;运算定律与简便运算.

考点点评: 此题主要考查整数的四则混合运算的运算顺序,然后根据运算顺序进行计算.