Sagot :
9x(-2-20)-3
=9x(-22)-3
=-198x-3
-63/(2-3x7+5x2)-11
=-63/(2-21+10)-11
=-63/-9-11
=-7-11
=-18
48/(2-12/4-7)-4
=48/(2-3-7)-4
=48/-8-4
=-6-4
=-10
=9x(-22)-3
=-198x-3
-63/(2-3x7+5x2)-11
=-63/(2-21+10)-11
=-63/-9-11
=-7-11
=-18
48/(2-12/4-7)-4
=48/(2-3-7)-4
=48/-8-4
=-6-4
=-10
bonjour
9×(-2-4×5)-3 = 9 x ( - 2 - 20 ) - 3 = 9 * - 22 - 3 = - 198 - 3 = - 201
-63÷(2-3×7+5×2)-11 = - 63 : ( 2 -21 + 10) - 11 = - 63 : - 9 - 11 = 7 - 11 = - 4
48÷(2-12÷4-7)-4 = 48 : ( 2 - 3 - 7 ) - 4 = 48 : 8 - 4 = 6 - 4 = 2