<span><span>
</span><span><span>
26
6
10
</span>
<span>
4
14
24
</span>
<span>
12
22
8
сумма 42 </span></span></span>
h= V/S=40,575:54,1=0,75м=75см
S=V/h=49,14:2,7=18,2 кв.м- плошадь комнаты
45*58+34*45+8*45-134000:(67*78-68*67)=4300
76-16*(135:45)=76-16*3=76-48=28
5*25+75:(43-18)=5*25+75:25=125+3=128
420:7+(47+8):5=420:7+55:5=60+11=71
1)3.15/28:9/28=99*28/9/28=99*28/28*9=11
2)1:1.10/49=1:59/49=49/59
3)11-49/59=10.10/59=600/59
4)2/5*600/59=240/59
5)240/59:2/1=240/59*2=120/59
6)21.2/59-120/59=1241/59-120/59=1121/59=19