Question

11 ах (р C) a X 1 . 9 Efectuează în două moduri: 5x (5 + 2) -27 (3 + 2 + 4) x 10 8 x (6-3) = 8-3:2-(5 + 1 + 2)x 9 (2 + 4) * 9 8 x (7-3) (5-3) x6 = 10 x (4 + 3-2)
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Answer 1

Răspuns:

I . 5×(5+2)=

5×7=35

Ii . 5×5+2×5=

25+10=35

I. 8×(6-3)=

8x3=24

Ii. 8x6-8×3=

48-24=24

I. (2+4)×9=

6x9=54

Ii. 2x9+4×9=

18+36=54

I. (5-3)×6=2×6=12

Ii. 5×6-3×6=

300-18=12

I. (3+2+4)×10=

9×10=90

Ii. 3×10+2×10+4×10=

30+20+40=90

I.(5+1+2)×9= 8×9=72

Ii. 5×9+1×9+2×9=

45+9+18= 72

I 8×(7-3)= 8×4=32

II. 8×7-3×8==

56-24=32

I. 10×(4+3-2)=10×5=50

II. 10×4+10×3-10-2=

40+30-20=50