∠1=∠4=360°-(∠3+∠5+∠6)=360°-240°=120°.
1)48,3:0,1; 4)0,67:0,01; 2)39,24:0,1; 5)475,38:0,001; 3)59:0,01; 6)268:0,001.
Batyr9
1) 48,3:0,1 - 483:1 = 4832) 39,24:0,1 = 392,4:1 = 392,4
3) 59:0,01 = 5900:1 = 5900
<span>4) 0,67:0,01 = 67:1 = 67
</span><span>5) 475,38:0,001 = 475380:1= 475380</span>
<span>6) 268:0,001 = 268000 :1 = 268000</span>
12+8.3х+1.5х=95.3
12+9.8х=95.3
9.8х=95.3-12
9.8х=83.3
х=83.3:9.8
х=8.5