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Alex111111333
a fost răspuns

A)(91-6x7) :(41+18:6-37)x60:10+2058

B)(806-588:4:7x15+100:10)x67-24x7+3

C)1740-(53x25:5+89)x2+80:4x10-200

D)456-985:5+(369:3x2-120:10+8)-65

E)8000-1500:10x(440:5-396:9)+28x6

Dau 37 puncte

Răspuns :

(91-6×7):(41+18:6-37)×60:10+2058=
(91-42):(41+3-37)×60:10+2058=
49:7×60:10+2058=
7×60:10+2058=
420:10+2058=
42+2058=
2100

(806-588:4:7×15+100:10)×67-24×7+3=
(806-147:7×15+10)×67-24×7+3=
(806-21×15+10)×67-24×7+3=
(806-315+10)×67-24×7+3=
(491+10)×67-24×7+3=
501×67-168+3=
33 567-168+3=
33 399+3=
33 402

1740-(53×25:5+89)×2+80:4×10-200=
1740-(1325:5+89)×2+20×10-200=
1740-(265+89)×2+200-200=
1740-354×2+200-200=
1740-708+200-200=
1032+200-200=
1232-200=
1032

456-985:5+(369:3×2-120:10+8)-65=
456-197+(123×2-12+8)-65=
456-197+(246-12+8)-65=
456-197+242-65=
259+242-65=
501-65=
436

8000-1500:10×(440:5-396:9)+28×6=
8000-150×(88-44)+168=
8000-150×44+168=
8000-6 600 +168=
1 400+168=
1568
Cocirmariadenis
A)
(91-6x7) :(41+18:6-37)x60:10+2058= 2 100
=(91 - 42 ) : ( 41 + 3 - 37) × 60 : 10 + 2 058=
= 49 : 7 × 60 : 10 + 2 058=
= 7 × 60 :10 +2 058=
= 420 : 10 + 2 058=
= 42 + 2 058=
=2 100

B)
(806-588:4:7x15+100:10)x67-24x7+3=33 402
=( 806 - 147 : 7 × 15 + 10 ) × 67 - 168 + 3=
=( 806 - 21 × 15 + 10) × 67 - 168 +3=
= ( 806 - 315 + 10) × 67 -168 + 3=
= ( 491 + 10) × 67 - 168 + 3=
=  501 × 67 - 168 + 3=
= 33 567 - 168 +3=
=  33 399 + 3=
= 33 402 

C)
1740-(53x25:5+89)x2+80:4x10-200= 852
=1 740 - ( 1 325 : 5 + 89) × 2 + 20 × 10 - 200=
= 1 740 - ( 265 + 89 ) × 2 + 200- 200=
= 1 740 - 354 × 2 + 200 - 200=
= 1 740 - 708 + 200 - 200=
= 1 032 + 200 - 200=
= 1 232 - 200 = 
= 1 030

D)
456-985:5+(369:3x2-120:10+8)-65= 436
=456 - 197 + ( 123 × 2 - 12 + 8) - 65 =
=259 + ( 246 - 12 +8 ) - 65 =
=259 + ( 234 + 8 ) - 65=
= 259 + 242 - 65 =
= 501 - 65 =
= 436

E)
8000-1500:10x(440:5-396:9)+28x6 = 1 568
=8 000 - 150 × ( 88 - 44) + 168=
=8 000 - 150 × 44 + 168=
=8 000 - 6 600 + 168 =
= 1 400 + 168 =
=1 568

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