奧數(shù) > 小學(xué)試題庫 > 口算題 > 五年級口算題 > 正文
2020-11-11 16:26:26
(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
來源:網(wǎng)絡(luò)來源 作者:奧數(shù)網(wǎng)整理
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