242424+252+2524
=
=
1824; 2424;.....; 3624;4224
A. 2524 b.2524 c.3024 d.2824
2525+5252+2524
=
=
1242+3525+2524
=
=
131392+2524+3524
=
=
1323+2524+1242
Đặt tính rồi tính
1204 : 4 2524 : 5 2409 : 6 4224 : 7
.............. ................. ................. ................
.............. ................. ................. ................
.............. ................. ................. ................
1324+2424+242424
242424+424242=?
242424 + 424242 = 666 666.
Nhanh nhất, k nha :D
Tính:
a , 5 9 x 12 7 = . . . b , 6 5 : 8 3 = . . . c , 9 20 x 5 12 = . . . d , 15 16 : 25 24 = . . . e , 5 21 x 14 = . . . g , 10 : 5 3 = . . . h , 5 3 : 10 = . . .