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各位知識朋友 , 入黎幫我手 ar !!! ( 數學 F.1 ) (44)
發問:
各位知識朋友 , 入黎幫我手 ar !!!我有幾條數學問題唔識 , 幫手解答 ar( 數學 F.1 )!!!!!!!!!!!!!!!( 只要算式 )1.There are a helicopter hovering at a position of 12m above sea-level and asubmarine locating at 20m below the sea-level. If the submarine descends further until its vertical distance from the helicopter is 40m, how far has the... 顯示更多 各位知識朋友 , 入黎幫我手 ar !!! 我有幾條數學問題唔識 , 幫手解答 ar( 數學 F.1 )!!!!!!!!!!!!!!!( 只要算式 ) 1.There are a helicopter hovering at a position of 12m above sea-level and a submarine locating at 20m below the sea-level. If the submarine descends further until its vertical distance from the helicopter is 40m, how far has the submarine further descended? 2.If a wodden box can contain 4a orange, express the total number of oranges in 15 boxes by an algebraic express. 更新: 3.Mary and Gilbert have $1500 in total. If Mary has $8x, express the amount got by Gilbert by an algebraic express. 4.There are 4 $10 coins and y $2 coins inside a bag. If the value of the coins in the bag is $58, find y.
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最佳解答:
1. 12+(20+x)=40 2. 60a 3. $1500-8x 4. 4*10+2y=58
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