递等式计算(能简便计算的要简便):(1)5787-329-1071 (2)52×11+11×18(3)72÷2×5(4)65+65÷5

2024-11-02 04:24:27
推荐回答(1个)
回答(1):

(1)5787-329-1071,
=5787-(329+1071),
=5787-1400,
=4387;

(2)52×11+11×18,
=(52+18)×11,
=70×11,
=770;

(3)72÷2×5,
=36×5,
=180;

(4)65+65÷5,
=65+13,
=78;

(5)912-512+88,
=400+88,
=488.