初一上册的几道数学题,只列式,能列方程就方程,不解答(麻烦加思路!)1 甲、乙两人从楼底爬到楼顶,甲平均每分钟爬楼梯40级,乙平均每分钟爬50级,甲先出发2分钟,结果两人同时到达楼顶,问从
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/10 00:02:40
xYYS+J*hkXUANٿUG $bsRpl5bJkw[b&
:ss3r3x9WW;wrů,/?9f*DiCNǠ~r.}T 儦WLfD
o$V:|#Ƽ-6kI͓[ tʌ\/w%#qb|,hs >bJdO쏫z)oRifJS@KēR# pΈ##zޅ.&]0bn8;3wo_f!Yz|z'2j;:K,3Q+㏻Y
1x^{p.'4 _e '`K,aDܱͪE ,{k5kӬ !ɞ
eTgG]#m4ٌbv$6`@{ܙGgbXcjTzݩ~r#4"NeX.D E4YaJ#,Oߣ]vIsFZH!TS+)n:WU2JD~SD.oKxڼ|ksj24M?N5AE|y"1VreKnl 1~"Om^D8^1NBoQZ#D4^l$UB5+Bat yEw=`l
eN{B^S%?۱ϖ;+=b\8Nh;>>/y{kzط:AZ@ӑ6p}4]WXTaguh\8x)S143#u
tO
MVY829nr.6'Qj(b6`D53=8I)XMfy-PCC4vIqʅs XGns7Ltyf:w@A=nx xsg/5 %3 =?k z8`Uzě 9}D)İ:x"zCn
>9 :IaCG|ЅyZX7>$ً+(\
mrU0~)UŻS>D$Q 0]"jRiE-(| .Ȉܬ,Ay*?p{̢Dv22m AI#O?nЩM21$AtCZ;Z1&!nk=Ѥ«MC)Un%hZHGwr_/P]-r,e?1~:Ho_Z~[ɐ_Z%}CW
!R̤ pBJ+sy-!!\g1u?D@75Dq(4>[L#A+ ܮB8
qH[ʏ=\b12P{=xMt-n|63 ToBQ4u ~y5!%CO|鿜_dN_"=Oܙn:7|%"PvL~naQ.ۚ-?Ffm\kֳ((19ח82
^w$NlUd솛A=X#w46n֗@|NNڵq[ʮE=(Ni]vUM_s/4F{ܳ5vD^ {;/zzEMc+{1CQG