Question

Afla valoarea lui s !     1x2x3x4x7x8x9x10=90x8xsx2x12                                                                                                                                                                                              

Answer 1

1×2=2 2×3=6 6×4=24 24×7=154 154×8=1.022 1.022×9=1.198 1.198×10=o sa calculezi 90×8=720 720×s=? 2×12=24 Si le scazi pe toate din cel mai mare dun cel mai mic

Answer 2

1x2x3x4x5x6x7x8x9x10=90x8xsx2x12                                                             3628800=720xsx2x12

3628800=720xsx24

720xs=3628800 : 24

720xs=151200

s=151200 : 720

s=210