巧算1653+59837.2×47+53×37.213.68.59+19.52÷3.2（258-14）×（89+113）10-（2.64+215+2.9）[235-（8.5-223）÷3.5]×712

Question

巧算

1653+598	37.2×47+53×37.2	13.6 8.59+19.52÷3.2
（2(5)/(8)-(1)/(4)）×（(8)/(9)+1(1)/(3)）	10-（2.64+2(1)/(5)+2.9）	[2(3)/(5)-（8.5-2(2)/(3)）÷3.5]×7(1)/(2)

巧算

1653+598	37.2×47+53×37.2	13.6 8.59+19.52÷3.2
（2(5)/(8)-(1)/(4)）×（(8)/(9)+1(1)/(3)）	10-（2.64+2(1)/(5)+2.9）	[2(3)/(5)-（8.5-2(2)/(3)）÷3.5]×7(1)/(2)

1653+598	37.2×47+53×37.2	13.6 8.59+19.52÷3.2
（2(5)/(8)-(1)/(4)）×（(8)/(9)+1(1)/(3)）	10-（2.64+2(1)/(5)+2.9）	[2(3)/(5)-（8.5-2(2)/(3)）÷3.5]×7(1)/(2)

1653+59837.2×47+53×37.213.6 8.59+19.52÷3.2     （2(5)/(8)-(1)/(4)）×（(8)/(9)+1(1)/(3)）10-（2.64+2(1)/(5)+2.9）[2(3)/(5)-（8.5-2(2)/(3)）÷3.5]×7(1)/(2)1653+59837.2×47+53×37.213.6 8.59+19.52÷3.2     1653+59837.2×47+53×37.213.6 8.59+19.52÷3.2     （2(5)/(8)-(1)/(4)）×（(8)/(9)+1(1)/(3)）10-（2.64+2(1)/(5)+2.9）[2(3)/(5)-（8.5-2(2)/(3)）÷3.5]×7(1)/(2)（2(5)/(8)-(1)/(4)）×（(8)/(9)+1(1)/(3)）(5)/(8)-(1)/(4)）×（(8)/(9)+1(1)/(3)）(5)/(8)585588(1)/(4)）×（(8)/(9)+1(1)/(3)）(1)/(4)141144(8)/(9)+1(1)/(3)）(8)/(9)898899(1)/(3)）(1)/(3)13113310-（2.64+2(1)/(5)+2.9）(1)/(5)+2.9）(1)/(5)151155[2(3)/(5)-（8.5-2(2)/(3)）÷3.5]×7(1)/(2)(3)/(5)-（8.5-2(2)/(3)）÷3.5]×7(1)/(2)(3)/(5)353355(2)/(3)）÷3.5]×7(1)/(2)(2)/(3)232233(1)/(2)(1)/(2)121122

Answer 1

①1653+598=1653+600-2=2251；②37.2×47+53×37.2=37.2×（47+53）=37.2×100=3720；③8.59+19.52÷3.2=8.59+6.1=14.69；④（258-14）×（89+113）=238×229=198×209=9518=5518；⑤10-（2.64+215+2.9）=10-7.74=2....