khi viet them chu so 2 vao ben phai mot so tu nhien co ba chu so thi so do tang them 4106 don vi . vay so co 3 chu so do la
biet bai nao giai ho bai y
1tim mot so co 2 chu so biet rang so do gap 5 lan tong chu cac so cua no
tim so co 3 chu chu so biet rang them chu so 5 vao ben phai so do thi so do tang them 1112dv
tim mot so tu nhien co 2 chu so biet rang them chu so 9 vao ben trai so do thi duoc mot so gap 13 lan so da cho
khi viet them chu so 2 vao ben phai so tu nhien co 3 chu so thi so do tang them 4106 . tim so co 3 chu so
làm hộ mình
cho mot so co 3 chu so neu viet them vao ben phai so do chu so ba thi so do tang them 6528 don vi tim so do
bai 1 khi viet them chu so 2 vao ben phai 1so tu nhien vo 3 chu sothi so do tang them 4106 don vi .tm
tim so tu nhien co 4 chu so biet rang khi viet them chu so 7 vao ben phai so do thi duoc so co 5 chu so lon hon so phai tim11212 don vi
Cho mot so co hai chu so,neu viet them vao ben phai so do chu so 5 thi so do tang them 518 don vi.tim so do.ca loi giai nhe
Cho mot so tu nhien. Biet rang neu viet them chu so 4 vao tan cung ben phai so do thi so dotang
Them 823 don vi. Hay tim so da cho
tim mot so tu nhien co 3 chu so , neu viet them vao ben trai so do So 32 thi so do se tang 81 lan