(1)794-198.(2)68×25.(3)6756-193-207.(4)72×125.(5)97×360+3×360.-数学

题目简介

(1)794-198.(2)68×25.(3)6756-193-207.(4)72×125.(5)97×360+3×360.-数学

题目详情

(1)794-198.(2)68×25.(3)6756-193-207.(4)72×125.(5)97×360+3×360.
题型:解答题难度:中档来源:不详

答案

(1)794-198,
=794-200+2,
=594+2,
=596;

(2)68×25,
=17×4×25,
=17×(4×25),
=17×100,
=1700;

(3)6756-193-207,
=6756-(193+207),
=6756-400,
=6356;

(4)72×125,
=9×8×125,
=9×(8×125),
=9×1000,
=9000;

(5)97×360+3×360,
=360×(97+3),
=360×100,
=36000.

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