<span>1)
24 017 - 15035 < 12 386 - 2 987,
8982 < 9399 </span>⇒ неравенство верно,
<span>
2)
1 674 - ( 673 + 437 ) > 1885 - ( 648 + 664),
1674 - 1110 > 1885 - 1312,
654 > 573 </span>⇒ неравенство верно
5/8 и 3/24=15/24 и 3/24
1/6 и 3/5=5/30 и 18/30
1/18 и 124=Я не понял прости
<span>1) 21*5*3*2=(21*3)*(5*2)=63*10=630</span><span> 2) 5*11*5*8*5=11*(5*5)*(5*8)=11*(25*40)=11*1000=11000</span><span> 3) 5*43*5*4=43*(5*5)*4=43*(25*4)=43*100=4300</span><span> 4) 6*5*2*7*2=(6*7)*2*(5*2)=(42*2)*10=84*10=840 </span><span>5) 125*4*25*8=(125*8)*(25*4)=1000*100=100000</span><span>6) </span><span>75*50*4*2=(75*4)*(50*2)=300*100=30000</span>
1) 3 1/2 - 2 2/3 +5 5/6 +4 3/5= 3 15/30 - 2 20/30 + 5 25/30 + 4 18/30 = 10 38/30 = 11 8/30 = 11 4/15
2) 11 4/15· 24/1 = 169/15 ·24/1= 169/5·8/1 = 1352/5 = 270,4