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用递等式计算能简便计算用简算19.73-(3.9+8.73)(575+175)÷25×437-4.82+5.1827000÷(125×27)9000÷125(12.74+39.8+5.26)-29.888×[142+(349-291)]34×34+34×64

题目详情
用递等式计算能简便计算用简算
19.73-(3.9+8.73)

(575+175)÷25×4        

 37-4.82+5.18
27000÷(125×27)9000÷125         (12.74+39.8+5.26)-29.8
88×[142+(349-291)]34×34+34×64
用递等式计算能简便计算用简算
19.73-(3.9+8.73)

(575+175)÷25×4        

 37-4.82+5.18
27000÷(125×27)9000÷125         (12.74+39.8+5.26)-29.8
88×[142+(349-291)]34×34+34×64
用递等式计算能简便计算用简算
19.73-(3.9+8.73)
(575+175)÷25×4        
 37-4.82+5.18用递等式计算能简便计算用简算
19.73-(3.9+8.73)

(575+175)÷25×4        

 37-4.82+5.18
27000÷(125×27)9000÷125         (12.74+39.8+5.26)-29.827000÷(125×27)9000÷125         (12.74+39.8+5.26)-29.888×[142+(349-291)]34×34+34×6488×[142+(349-291)]34×34+34×64
▼优质解答
答案和解析
(1)19.73-(3.9+8.73)
=19.73-8.73-3.9
=11-3.9
=7.1;

(2)(575+175)÷25×4 
=750÷25×4
=30×4
=120;

(3)37-4.82+5.18
=32.18+5.18
=37.36;

(4)27000÷(125×27)
=27000÷27÷125
=1000÷25
=8;

(5)9000÷125 
=(9000×8)÷(125×8)
=72000÷1000
=72;

(6)(12.74+39.8+5.26)-29.8
=(12.74+5.26)+(39.8-29.8)
=18+10
=28;

(7)88×[142+(349-291)]
=88×[142+58]
=88×200
=17600;

(8)34×34+34×64
=34×(34+64)
=34×100
=3400.