Ответ:
1) 35*28+35*32=(28+32)*35=60*35=2100 2100 2100:300 7
------------------------------------------------------------- = --------- = --------------- = -------
60*15=900 900 900:300 3
2) 57*62-57*34=(62-34)*57=1596 1596 1596:532 3
------------------------------------------------- = ---------- = -------------------- = ----------
28*19 = 532 532 532:532 1
3) 48*31+48*19=(31+19)*48=2400 2400 2400:800 3
------------------------------------------------- = ------------- = ----------------- = --------
16*100=1600 1600 1600:800 2
4) 17*96-17*24=(96-24)*17=1224 1224 1224:408 3
--------------------------------------------- = ------------ = ----------------- = -------
48*85= 4080 4080 4080:408 1
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Ответ:
1) 35*28+35*32=(28+32)*35=60*35=2100 2100 2100:300 7
------------------------------------------------------------- = --------- = --------------- = -------
60*15=900 900 900:300 3
2) 57*62-57*34=(62-34)*57=1596 1596 1596:532 3
------------------------------------------------- = ---------- = -------------------- = ----------
28*19 = 532 532 532:532 1
3) 48*31+48*19=(31+19)*48=2400 2400 2400:800 3
------------------------------------------------- = ------------- = ----------------- = --------
16*100=1600 1600 1600:800 2
4) 17*96-17*24=(96-24)*17=1224 1224 1224:408 3
--------------------------------------------- = ------------ = ----------------- = -------
48*85= 4080 4080 4080:408 1