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6.2×0.125×2.5(32.1-15.93)×0.387.6×2.2+2.2×3.4-2.299×10.119.7÷(3.6-0.55×2)0.1÷0.01×〔6.8-(3.6-1.6)〕

题目详情
6.2×0.125×2.5        
(32.1-15.93)×0.38      
7.6×2.2+2.2×3.4-2.2
99×10.1        
19.7÷(3.6-0.55×2)
0.1÷0.01×〔6.8-(3.6-1.6)〕
▼优质解答
答案和解析
(1)6.2×0.125×2.5   
=6.2×2.5×0.125
=15.5×0.125
=1.9375
     
(2)(32.1-15.93)×0.38      
=16.17×0.38
=6.1446

(3)7.6×2.2+2.2×3.4-2.2
=2.2×(7.6+3.4-1)
=2.2×10
=22

(4)99×10.1      
=(100-1)×10.1
=100×10.1-10.1
=1010-10.1
=999.9

(5)19.7÷(3.6-0.55×2)
=19.7÷(3.6-1.1)
=19.7÷2.5
=7.88

(6)0.1÷0.01×[6.8-(3.6-1.6)]
=10×[6.8-2]
=10×4.8
=48