lan thuc hien 1 phep nhan do viet nham chu so hang don vi cua thua so thu 2 tu 2 thanh 8 nen da duoc ket qua la 2034 ma dang le phai la 1356 em hay tim cac thua so ban dau cua phep tinh do.
khi thuc hien phep nhan ban mai viet nham chu so 4 o hang don vi cua 1 thua so thanh chu so 1.Do do ket qua tim duoc la 1775.Tim cac thua so dung cua phep nhan do biet tich dung la 1770
1)trong mot phepnhan co thua so thu hai la 64, khi thuc hien phep nhan, ban Minh da viet cac tich rieng thang cot voi nbhau nen ket qua tim duoc la 870. tim tich dung cua phep nhan
2 ) Khi thuc hien phep nhan 983 voi 1 so co 3 chu so , ban binh da dat tich rieng thu 2 thang cot voi tich rieng thu 3 nen duoc ket qua la 70776 . Em hay tim thua so co 3 chu so chua biet trong phep nhan tren , biet chu so hang tram hon chu so hang chuc 1 don vi
mot hoc sinh khi lam phep nhan mot so co 3 chu so voi so co 2 chu so.do so suat do da viet nham chu so hang don vi cua so co 2 chu so la 2 thanh 8 nen tich tim duoc la 2034.biet tich dung la 1356.tim so co 3 chu so
1 hoc sinh khi lam phep nhan 1 so co 3 so voi so co 2 chu so do so xuat hoc sinh do da viet nham chu so hang don vi cua so co 2 chu so la 2 thanh 8 nen tich tim duoc la 2034 biet tich dung la 1356 tim so co 3 chu so
khi nhan mot so tu nhien voi mot so thap phan ban hoc sinh da viet nham chu so hang don vi cua so tu nhien tu 7 thanh 3 nen duoc ket qua la 5608,8 tim hai so ban dau biet tich dung la 5791,2
mot hoc sinh khi nhan mot so tu nhien voi 205 da quen chu so 0 o thua so thu hai nen tich tim duoc la 8025 . tim tich dung cua phep nhan do
moi phep nhan voi 127. Do so y nen An viet nham so 7 cua thua so thu 2 thanh 4 nen tich giam di 1245 don vi.T ich dung la ......
khi thuc hien phep cong hai so thap phan, ban an da viet nham dau phay cua mot so hang sang ben trai mot hang nen tong tim duoc la 36,074. tim hai so hang do biet tong dung la 149,96