1)60:10*3=18
2)24:12*5=10
3)10:2*1=5
4)100:5*3=60
7/12+3 1/2-1/26
7/12+3/2-1/26
319/156
2 7/156 или ≈2,04
1км3= 1 000 000 000 м3 = 1 000 000 000 000 000 см3
1) 376-(х-183)=48
х-183=376-48
х-183=328
х=328+183
х=511
2) (53-47)+х=34
6+х=34
х=34-6
х=28
<span> 59814-678х36:9+43794:6 </span>
<span>1)678*36=24 408</span>
<span>2)24 408/9=2 712</span>
<span>3)43 794/6=7 299</span>
<span>4)59 814-2712+7 299=64401</span>
<span><span>1000-31518:153+571154:89</span></span>
<span><span>1)31518:153=206</span></span>
<span><span>2)<span>571154:89=6 417(дробь 41/89)</span></span></span>
<span><span><span>3)1000-206=794</span></span></span>
4)794+6 417(дробь 41/89)=7211(дробь 41/89)