Question

1 Calculează: a) (17x9+24x8-891:27):3= b) (528: 24+420:3+ 11×17) x 15 = c) 5x47+ 12x 95-725:25 = d) (247+743): 45+4x (276-197) = e) 9×(17x4+27) -(105+75+65) : 5 = () [1 500 +27 (639: 9)- (536:8)] : 10 = 9) [(63+ 19x 24): 3+464:4-11 × 11] × 25 = h) 160-4x[15+ 5x (265-4×65)] = 0 i) (24315:27 +26 664: 24): (900: 36-23) = J) [(1 473-589 +2 907-3 247): 32+ (61x35-55 × 35) ] × 100 k) [(311 + 114-100): 5+ (70+84x5:4)] -230 = 1) 2 099 +1-(109+1-672:7) x4 +6:6= m) [187-(366:6+3): 8]x3-500+625:5 n) 113x4+ [136 x 75-(324:4:9x3+45) + 246-123:3] = o) [142 x 5-(1 122: 11-707 : 7) 125]: 15 : 3 = p) [(812-8 750: 25): 22] 103-1 094 = X q) (126×32 + 89 x 63): [105 324-89 113-(230 x 68 +7 × 70)] = r) [(964 × 12 + 36 x 12): 100 + 72 x 6]: 24- (12 696 : 24-2x253) = s) [(6 027:21 -1 480: 40): 25x (48x45: 15)]: 24 = t) [6× 10 × 100-(25x4-40)x5]-(10x10x7 + 120:3×35) - u) [12 x 44+ (750+ 450:6+ 27:9): 6]: 2+4= v) [12 x 33 + 4x (950-250x3+4)]: 3 +47 × 13 = () [(625: a ax4+ (6 k) (651-72 1) 1000-a 3 Pune a) 2x c) 75 5 Se d Com​

Answer 1

Explicație pas cu pas:

a)

(17×9 + 24×8 - 891÷27) ÷3 = (153 + 192 - 33) ÷3 = 312 ÷3 = 104

b)

(528÷24 + 420÷3 + 11×17)×15 = (22 + 140 + 187)×15 = 349×15 = 5235

c)

5×47 + 12×95 - 725÷25 = 1346

d)

(247 + 743)÷45 + 4×(276 - 197) = 338

h)

160 - 4×[15 + 5×(265 - 4×65)] = 0

m)

[187 - (366÷6 + 3)÷8]×3 - 500 + 625÷5 = 162