(Б,А,В)
А) 2 т 70 кг = 2070 кг
Б) 2007 кг
В) 2,7 = 2700 кг
805 000
4 367
362 000
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1,5х+1,2=4,8
1,5х=4,8-1,2
1,5х=3,6
х=3,6:1,5
х=2,4
<span>1 1/22 *3 2/3 -(2 5/6+3 5/6*7/23)*3/5 = 1 13/30
1) 3 5/6 * 7/23 = 23/6 * 7/23 = 7/6
2) 2 5/6 + 7/6 = 17/6 + 7/6 = 24/6 = 4
3) 1 1/22 * 3 2/3 = 23/22 * 11/3 = 23/2 * 1/3 = 23/6
4) 4 * 3/5 = 12/5
5) 23/6 - 12/5 = 115/30 - 72/30 = 43/30 = 1 13/30</span>
45*5=225
225:96=2,34375
225:32=7,03125