问题 解答题
脱式计算
861×(24+51)2000-45×24+96300+88×12-10481000-(763+75×3)
答案

(1)861×(24+51),

=861×75,

=64575;

(2)2000-45×24+96,

=2000-1080+96,

=920+96,

=1016;

(3)300+88×12-1048,

=300+1056-1048,

=1356-1048,

=308;

(4)1000-(763+75×3),

=1000-(763+225),

=1000-988,

12;

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