Question

1+2+3+4+5+6+7+8+9x2:5= ??????????

Answer 1

1+2+3+4+5+6+7+8+9x2:5 = 1+2+3+4+5+6+7+8+18:5=1+2+3+4+5+6+7+8+3.6=39.6

Answer 2

(1+9)x9:2=45

45 x2:5

=90:5

=18

Answer 3

có 2 đáp án câu này : 1=? ,2=tự bít !

Answer 4

1+2+3+4+5+6+7+8+9*2:5

=1+2+3+4+5+6+7+8+18:5

=1+2+3+4+5+6+7+8+3,6

=39,6

Answer 5

1+2+3+4+5+6+7+8+3.6=39.6 */ trc +- sau

Answer 6

1+2+3+4+5+6+7+8+9x2:5=198/5