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怎样算简便就怎样算.23.75-8.64-3.3617.83-9.5-7.83-0.53.45+8.7+16.55+1.3102×43382×101-3824×125×25×856×67+56×336.06-(3.14+0.4)

题目详情
怎样算简便就怎样算.
23.75-8.64-3.36       

17.83-9.5-7.83-0.5
3.45+8.7+16.55+1.3         102×43
382×101-382             4×125×25×8
56×67+56×33             6.06-(3.14+0.4)
▼优质解答
答案和解析
(1)23.75-8.64-3.36
=23.75-(8.64+3.36)
=23.75-12
=11.75

(2)17.83-9.5-7.83-0.5
=(17.83-7.83)-(9.5+.5)
=10-10
=0

(3)3.45+8.7+16.55+1.3 
=(3.45+16.55)+(8.7+1.3)
=20+10
=30

(4)102×43
=(100×43)+(2×43)
=4300+86
=4386

(5)382×101-382 
=382×(101-1)
=382×100
=38200

(6)4×125×25×8
=(125×8)×(25×4)
=1000×100
=100000

(7)56×67+56×33
=(67+33)×56
=100×56
=5600

(8)6.06-(3.14+0.4)
=6.06-3.54
=2.52