Вычислите письменно, делая краткие зписи 32. 220:60
28. 140:70
21. 800:20
32. 400:30
424. 900:700
364. 500:900
342. 000:300
336. 000:800
28. 140:70
21. 800:20
32. 400:30
424. 900:700
364. 500:900
342. 000:300
336. 000:800
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40
13.3
1.29
0.56
0
0
21800:20=(20000:20)+(1800:20)=1000+900=1900
32400:30=(30000:30)+(2400:30)=1000+80=1080
424900:700=(420000:700)+(4900:700)=600+7=607
364500:900=(360000:900)+(4500:900)=400+5=405
342 000:300=(300000:300)+(42000:300)=1000+1140=1140
336 000:800=(320000:800)+(16000:800)=400+20=420