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简便计算.(25+2)×4126×5+5×7413×99+139548-399925×(15×4)50×69×28×70×125×525×1625×(15+4)800÷3252×6+48×52+52×46

题目详情
简便计算.
(25+2)×4       126×5+5×74       13×99+13            9548-3999
25×(15×4)50×69×2          8×70×125×5        25×16
25×(15+4)800÷32            52×6+48×52+52×46        3900÷(39×25)
547-(147+52)615-(134-85)83+83×99           (40+8)×25     
589-289-128-72
简便计算.
(25+2)×4       126×5+5×74       13×99+13            9548-3999
25×(15×4)50×69×2          8×70×125×5        25×16
25×(15+4)800÷32            52×6+48×52+52×46        3900÷(39×25)
547-(147+52)615-(134-85)83+83×99           (40+8)×25     
589-289-128-72

(25+2)×4       126×5+5×74       13×99+13            9548-3999
25×(15×4)50×69×2          8×70×125×5        25×16
25×(15+4)800÷32            52×6+48×52+52×46        3900÷(39×25)
547-(147+52)615-(134-85)83+83×99           (40+8)×25     
589-289-128-72
(25+2)×4       126×5+5×74       13×99+13            9548-399925×(15×4)50×69×2          8×70×125×5        25×1625×(15+4)800÷32            52×6+48×52+52×46        3900÷(39×25)547-(147+52)615-(134-85)83+83×99           (40+8)×25     589-289-128-72(25+2)×4       126×5+5×74       13×99+13            9548-3999(25+2)×4       126×5+5×74       13×99+13            9548-399925×(15×4)50×69×2          8×70×125×5        25×1625×(15×4)50×69×2          8×70×125×5        25×1625×(15+4)800÷32            52×6+48×52+52×46        3900÷(39×25)25×(15+4)800÷32            52×6+48×52+52×46        3900÷(39×25)547-(147+52)615-(134-85)83+83×99           (40+8)×25     547-(147+52)615-(134-85)83+83×99           (40+8)×25     589-289-128-72589-289-128-72
▼优质解答
答案和解析
(1)(25+2)×4  
=25×4+2×4
=100+8
=108;

(2)126×5+5×74  
=(126+74)×5
=200×5
=1000;

(3)13×99+13 
=13×(99+1)
=13×100
=1300;

(4)9548-3999
=9548-4000+1
=5548+1
=5549;

(5)25×(15×4)
=25×4×15
=100×15
=1500;

(6)50×69×2  
=50×2×69
=100×69
=6900;

(7)8×70×125×5 
=(8×125)×(70×5)
=1000×350
=350000;

(8)25×16
=25×(4×4)
=25×4×4
=100×4
=400;

(9)25×(15+4)
=25×15+25×4
=375+100
=475;

(10)800÷32
=800÷(8×4)
=800÷8÷4
=100÷4
=25;

(11)52×6+48×52+52×46    
=52×(6+48+46)
=52×100
=5200;

(12)3900÷(39×25)
=3900÷39÷25
=100÷25
=4;

(13)547-(147+52)
=547-147-52
=400-52
=348;

(14)615-(134-85)
=615-134+85
=615+85-134
=700-134
=566;

(15)83+83×99 
=83×(1+99)
=83×100
=8300;

(16)(40+8)×25   
=40×25+8×25
=1000+200
=1200;

(17)589-289-128-72
=(589-289)-(128+72)
=300-200
=100.