原帖由 波波寶寶 於 11-3-9 21:33 發表
Mary gave 1/2 of a box of marbles to John and
20 marbles to Ann. Mary gave away 45 marbles
altogether. How many marbles did she have originally?
Let x be the number of marbles did Mary had origina ...
thanks a lot ^^
仲有1題....吾好意思...我數學白痴...
alan divides a packet of dried beef into 5 groups equally. if each group of dried beef weighs 0.3kg, how many kilograms does the packet of dried beef weigh?
原帖由 波波寶寶 於 11-3-9 21:33 發表
Mary gave 1/2 of a box of marbles to John and
20 marbles to Ann. Mary gave away 45 marbles
altogether. How many marbles did she have originally?
Let x be the number of marbles did Mary had origina ...
原帖由 波波寶寶 於 11-3-9 21:54 發表
thanks a lot ^^
仲有1題....吾好意思...我數學白痴...
alan divides a packet of dried beef into 5 groups equally. if each group of dried beef weighs 0.3kg, how many kilograms does the packet of dried bee ...
原帖由 波波寶寶 於 11-3-9 21:54 發表
thanks a lot ^^
仲有1題....吾好意思...我數學白痴...
alan divides a packet of dried beef into 5 groups equally. if each group of dried beef weighs 0.3kg, how many kilograms does the packet of dried bee ...
原帖由 波波寶寶 於 11-3-9 21:33 發表
Mary gave 1/2 of a box of marbles to John and
20 marbles to Ann. Mary gave away 45 marbles
altogether. How many marbles did she have originally?
Let x be the number of marbles did Mary had origina ...