作业帮有理数加减法应用题要求要 很有趣.绕人.分送送送!20.20 .20
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有理数加减法应用题要求要 很有趣.绕人.分送送送!20.20 .20
有理数加减法应用题
要求要 很有趣.绕人.分送送送!20.20 .20
有理数加减法应用题要求要 很有趣.绕人.分送送送!20.20 .20
1.王老伯上街时带有现金550元,购物用去260元,又去银行取了150元,现在王老伯身上还有多少现金?
2.汽车从超市出发,向东走3KM到小名家.继续走了1.5KM到达小华家,又向西走了9.5KM到达小丽家,1:问小丽在超市的哪边,距离超市多远?2:问小名家和小丽家相距多远?3:问汽车一共行驶了多少千米?
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利用有理数的加法解下列各题
1.王老伯上街时带有现金550元,购物用去260元,又去银行取了150元,现在王老伯身上还有多少现金?
2.潜水艇原停在海面下800米处,先上弗150米,又下降200米,这时潜水艇在海面下多少米处?
550-260+150=440
(1)23+(-73) (2)(-84)+(-49) (3)7+(-2.04) (4)4.23+(-7.57) (5)(-7/3)+(-7/6) (6)9/4+(-3/2) (7)3.75+(2.25)+5/4 (8)-3.75+(+5/4)+(-1.5)
只有这么一点~