hai so thap phan co hieu la 10,2nen tim duoc tong la 28,74.em hay tim .khi cong hai so do voi nhau,ban BINH da dich nham dau phay cua so lon sang ben trai mot chu so nen tim duoc tong la 28,74. em hay tim tong dung cua hai so do?

hieu 2 so thap phan la 22,2.khi cong 2 so thap phan do voi nhau,ban ly da dich nham dau phay cua so be sang trai 1 chu so nen tong tim duoc la 92,93.Tim tong dung cua 2 so thap phan do

khi thuc hien cong hai so thap phan ban hang da viet nham dau phay cua mot so han sang ben trai mot hang nen tong tim duoc la 205,062 tim 2 so hang do tong dung la 844,251 ?

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

khi cong 1 so tu nhien voi 1 so thap ph 1 hoc sinh so y viet nham dau phay cua so thap phan sang ben phai  hang  nen tim duoc tong sai la 591,4 tim so thap phan do biet tong dung la 480,34

khi cong hai so thap phan ,La da quen dau phay cua so thap phan ma phan thap phan co mot chu so nen duoc ket qua la 84,97.Tim hai so hang cua phep cong biet tong dung la 43,57

khi cong hai so thap phan, 1 ban viet nham dau phay cua so hanh sang ben phai 1 hang do do duoc tong la 132,1. tim 2 so do, biet rang tong dung la 57,94. 

giup minh voi

Khi cong 2 so thap phan mot ban hoc sinh da viet nham dau phay cua so hang thu hai sang ben phai mot chua so, do do tong tim duoc la 42,21. Tim hai so hang ban dau biet tong cua chung la 12,34 ?

Ban SKT_NTT oi giup mik voi mik cam on ban truoc

khi cong mot so tu nhien voi mot so thap phan mot ban hoc sinh viet nham dau phay lui sang phai mot hang nen ket qua tim duoc la 87,87. tìm so thap phan do biet tong cua chung la 51,98