关于四年级下册数学递等式计算题，递等式计算题这个很多人还不知道，今天来为大家解答以上的问题，现在让我们一起来看看吧！

1、(45-17)+(9-3)=28+6=34,(45-17)+(9-6)=28+3=31,(45-18)+(9-3)=27+6=33 (45-18)+(9-6)=27+3=30,(45-27)+(9-3)=18+6=24,(45-27)+(9-6)=18+3=21 (45-28)+(9-3)=17+6=23,(45-28)+(9-6)=17+3=20,(46-17)+(8-3)=29+5=34 (46-17)+(8-5)=29+3=32,(46-19)+(8-3)=27+5=32,(46-19)+(8-5)=27+3=30 (46-27)+(8-3)=19+5=24,(46-27)+(8-5)=19+3=22,(46-29)+(8-3)=17+5=22 (46-29)+(8-5)=17+3=20,(54-16)+(9-2)=38+7=45,(54-16)+(9-7)=38+2=40 (54-18)+(9-2)=36+7=43,(54-18)+(9-7)=36+2=38,(54-36)+(9-2)=18+7=25 (54-36)+(9-7)=18+2=20,(54-38)+(9-2)=16+7=23,(54-38)+(9-7)=16+2=18 (57-18)+(6-2)=39+4=43,(57-18)+(6-4)=39+2=41,(57-19)+(6-2)=38+4=42 (57-19)+(6-4)=38+2=40,(57-38)+(6-2)=19+4=23,(57-38)+(6-4)=19+2=21 (57-39)+(6-2)=18+4=22,(57-39)+(6-4)=18+2=20,(63-15)+(9-2)=48+7=55 (63-15)+(9-7)=48+2=50,(63-18)+(9-2)=45+7=52,(63-18)+(9-7)=45+2=47 (63-45)+(9-2)=18+7=25,(63-45)+(9-7)=18+2=20,(63-48)+(9-2)=15+7=22 (63-48)+(9-7)=15+2=17,(64-25)+(8-1)=39+7=46,(64-25)+(8-7)=39+1=40 (64-29)+(8-1)=35+7=42,(64-29)+(8-7)=35+1=36,(64-35)+(8-1)=29+7=36 (64-35)+(8-7)=29+1=30,(64-39)+(8-1)=25+7=32,(64-39)+(8-7)=25+1=26 (67-18)+(5-2)=49+3=52,(67-18)+(5-3)=49+2=51,(67-19)+(5-2)=48+3=51 (67-19)+(5-3)=48+2=50,(67-28)+(5-1)=39+4=43,(67-28)+(5-4)=39+1=40 (67-29)+(5-1)=38+4=42,(67-29)+(5-4)=38+1=39,(67-38)+(5-1)=29+4=33 (67-38)+(5-4)=29+1=30,(67-39)+(5-1)=28+4=32,(67-39)+(5-4)=28+1=29 (67-48)+(5-2)=19+3=22,(67-48)+(5-3)=19+2=21,(67-49)+(5-2)=18+3=21 (67-49)+(5-3)=18+2=20,(72-14)+(9-3)=58+6=64,(72-14)+(9-6)=58+3=61 (72-18)+(9-3)=54+6=60,(72-18)+(9-6)=54+3=57,(72-54)+(9-3)=18+6=24 (72-54)+(9-6)=18+3=21,(72-58)+(9-3)=14+6=20,(72-58)+(9-6)=14+3=17 (73-14)+(8-2)=59+6=65,(73-14)+(8-6)=59+2=61,(73-19)+(8-2)=54+6=60 (73-19)+(8-6)=54+2=56,(73-54)+(8-2)=19+6=25,(73-54)+(8-6)=19+2=21 (73-59)+(8-2)=14+6=20,(73-59)+(8-6)=14+2=16,(81-24)+(9-3)=57+6=63 (81-24)+(9-6)=57+3=60,(81-27)+(9-3)=54+6=60,(81-27)+(9-6)=54+3=57 (81-35)+(9-2)=46+7=53,(81-35)+(9-7)=46+2=48,(81-36)+(9-2)=45+7=52 (81-36)+(9-7)=45+2=47,(81-45)+(9-2)=36+7=43,(81-45)+(9-7)=36+2=38 (81-46)+(9-2)=35+7=42,(81-46)+(9-7)=35+2=37,(81-54)+(9-3)=27+6=33 (81-54)+(9-6)=27+3=30,(81-57)+(9-3)=24+6=30,(81-57)+(9-6)=24+3=27 (83-14)+(7-2)=69+5=74,(83-14)+(7-5)=69+2=71,(83-19)+(7-2)=64+5=69 (83-19)+(7-5)=64+2=66,(83-24)+(7-1)=59+6=65,(83-24)+(7-6)=59+1=60 (83-29)+(7-1)=54+6=60,(83-29)+(7-6)=54+1=55,(83-54)+(7-1)=29+6=35 (83-54)+(7-6)=29+1=30,(83-59)+(7-1)=24+6=30,(83-59)+(7-6)=24+1=25 (83-64)+(7-2)=19+5=24,(83-64)+(7-5)=19+2=21,(83-69)+(7-2)=14+5=19 (83-69)+(7-5)=14+2=16,(86-27)+(4-1)=59+3=62,(86-27)+(4-3)=59+1=60 (86-29)+(4-1)=57+3=60,(86-29)+(4-3)=57+1=58,(86-57)+(4-1)=29+3=32 (86-57)+(4-3)=29+1=30,(86-59)+(4-1)=27+3=30,(86-59)+(4-3)=27+1=28 (91-24)+(8-3)=67+5=72,(91-24)+(8-5)=67+3=70,(91-27)+(8-3)=64+5=69 (91-27)+(8-5)=64+3=67,(91-34)+(8-2)=57+6=63,(91-34)+(8-6)=57+2=59 (91-37)+(8-2)=54+6=60,(91-37)+(8-6)=54+2=56,(91-54)+(8-2)=37+6=43 (91-54)+(8-6)=37+2=39,(91-57)+(8-2)=34+6=40,(91-57)+(8-6)=34+2=36 (91-64)+(8-3)=27+5=32,(91-64)+(8-5)=27+3=30,(91-67)+(8-3)=24+5=29 (91-67)+(8-5)=24+3=27,(92-34)+(7-1)=58+6=64,(92-34)+(7-6)=58+1=59 (92-38)+(7-1)=54+6=60,(92-38)+(7-6)=54+1=55,(92-54)+(7-1)=38+6=44 (92-54)+(7-6)=38+1=39,(92-58)+(7-1)=34+6=40,(92-58)+(7-6)=34+1=35 (93-15)+(6-2)=78+4=82,(93-15)+(6-4)=78+2=80,(93-18)+(6-2)=75+4=79 (93-18)+(6-4)=75+2=77,(93-75)+(6-2)=18+4=22,(93-75)+(6-4)=18+2=20 (93-78)+(6-2)=15+4=19,(93-78)+(6-4)=15+2=17,(94-16)+(5-2)=78+3=81 (94-16)+(5-3)=78+2=80,(94-18)+(5-2)=76+3=79,(94-18)+(5-3)=76+2=78 (94-76)+(5-2)=18+3=21,(94-76)+(5-3)=18+2=20,(94-78)+(5-2)=16+3=19 (94-78)+(5-3)=16+2=18,(95-27)+(4-1)=68+3=71,(95-27)+(4-3)=68+1=69 (95-28)+(4-1)=67+3=70,(95-28)+(4-3)=67+1=68,(95-67)+(4-1)=28+3=31 (95-67)+(4-3)=28+1=29,(95-68)+(4-1)=27+3=30,(95-68)+(4-3)=27+1=28。