(138 x 5-21: 7-300 x 2)-9x9-ex 2 = 2. x 5)-cx 3 = 8 x 100 + 36:9; MoAlfabet... matematic": a) (9x9-6x6-a) + (13+ 28: 4) = 5 x 10+ 3; b) (99-b-3 x 8) + 2 x 6:2=8 x 2 + 5 x 10; c) (6 x 4:3+ c): 7 = 16:4; d) (9 x 4:6 xd)-5x5= 45:9; e) (e-5 x 6 + 10 x 5): 5+ 4 × 8 = 42; f) (96-3 x 4-5 x 8) + f-9x7 = 13; T g) (23-6 x 3 + @+3x'9-8 × 3:6 = 34; 40:8+124 x 5 + b = 719; (321 x 2-115 × 4) + 42: d = 180 + 2x4 (m) (9 x 9-m-8x4):7=2x2; n) (9x7+n-5 x 8)-5x5+70 = 75 o) (87-9x4-0)-5x5+10:2=5×2-0:4x7 p) 93-(85-9x9+5x8)-p=5×6+1; r) (5 × 5+6x6-)+6x5-5x10=9:3; s) (8x9+s-5x8)-(30-5x2+5)=100:2:2 t) (36-5x6-0)+9x8-7x10=4×7:7; h) (3x9+9: h+5x4:2-(12-4x 2) = 6 x 6; u) (7 x7-6x6+u)-24:3-2x10=81-9 i) (47+7): 1=28:4 + 42:6-35:7; j) (6 x 5+ 4xj-8): 6 = 28:4; k) (8 x 8-32-12: k) - (40-2 x 10) = 3 x3; (95-9x5-9x:8=9x4-8 × 4; v) (v-5x5-2x8)+6x5-5x10=6:2 x) (x+8x2+6x8)-8x9+8x8=6x10+2x4 y) (y+5x5)-6x6=40:2+3; (6x9-2)-3x 10+16:2=4x3x1 ​