脱式计算.(能简算的要简算)7820-375-62525×33×4329+753+571+4775+47×32500÷4÷25(16+24)×35÷70875+209+191-7557×43+33×4

题目简介

脱式计算.(能简算的要简算)7820-375-62525×33×4329+753+571+4775+47×32500÷4÷25(16+24)×35÷70875+209+191-7557×43+33×4

题目详情

脱式计算.(能简算的要简算)
7820-375-625
25×33×4329+753+571+4775+47×3
2500÷4÷25(16+24)×35÷70875+209+191-7557×43+33×43.
题型:解答题难度:中档来源:不详

答案

(1)7820-375-625,
=7820-(375+625),
=7820-1000,
=6820;

(2)25×33×4,
=25×4×33,
=100×33,
=3300;

(3)329+753+571+47,
=(329+571)+(47+753),
=900+800,
=1700;

(4)75+47×3,
=75+141,
=216;

(5)2500÷4÷25,
=2500÷(4×25),
=2500÷100,
=25;

(6)(16+24)×35÷70,
=40×35÷70,
=1400÷70,
=20;

(7)875+209+191-75,
=(875-75)+(209+191),
=800+400,
=1200;

(8)57×43+33×43,
=(57+33)×43,
=90×43,
=3870.

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