Matematică, întrebare adresată de NaomyRoxxxana, 9 ani în urmă

1) 361+89-163-20+407=
2) 120:2x3x8:4x10=
3) 8-28:7+3425:5x2=
4) 439-81:3:3-2x9+3=
5) 300:100+432x(700-688)=
6) (888:8+3x7):4+80=
7) (57x14):(80:4:10)+35x21=
8) 5x333-(48x10:2+54x10+600:5:3-2x25=
9) [2400-75x(96:3:2)]x235=
10) 1000-[(250:25+330:3)-(30x2-5x8)]X4=
11) (220:4+6)+100-[25+(299-77x3)]+12=
12) [700-(505-135x2-38x3)x2]-100=
13) 32x51:8x200-[775:25x(172-85)]=
14) [(24x8000-190000):1000x63-36]:45=


Răspunsuri la întrebare

Răspuns de primăvară2017
9
1) 361+89-163-20+407=
450-163-20+407=
287-20+407=
267+407=
674


2) 120:2x3x8:4x10=
60x3x8:4x10=
180x8:4x10=
1 440:4x10=
360×10=
3 600


3) 8-28:7+3425:5x2=
8-4+685x2=
4+1 370=
1 374

4) 439-81:3:3-2x9+3=
439-27:3-18+3=
439-9-18+3=
430-18+3=
412+3=
415


5) 300:100+432x(700-688)=
3+432x12=
3+5 184=
5 187


6) (888:8+3x7):4+80=
(111+21):4+80=
132:4+80=
33+80=
113


7) (57x14):(80:4:10)+35x21=
798:(20:10)+735=
798:2+735=
399+735=
1 134


8) 5x333-(48x10:2+54x10+600:5:3-2x25)=
1 665-(480:2+540+120:3-50)=
1 665-(240+540+40-50)=
1 665-(780+40-50)=
1 665-(820-50)=
1 665-770=
895


9) [2400-75x(96:3:2)]x235=
[2400-75x(32:2)]x235=
(2400-75x16)x235=
(2400- 1 200)x235=
1 200×235=
282 000


10) 1 000-[(250:25+330:3)-(30x2-5x8)]X4=
1 000-[(10+110)-(60-40)]X4=
1 000-(120-20)X4=
1 000-100X4=
1 000-400=
600


11) (220:4+6)+100-[25+(299-77x3)]+12=
(55+6)+100-[25+(299-231)]+12=
61+100-(25+68)+12=
161-93+12=
68+12=
80


12) [700-(505-135x2-38x3)x2]-100=
[700-(505-270-114)x2]-100=
[700-(235-114)x2]-100=
(700-121x2)-100=
(700-242)-100=
458-100=
358


13) 32x51:8x200-[775:25x(172-85)]=
1 632:8x200-(31x87)=
204x200-2 697=
40 800-2 697=
38 103


14) [(24x8 000-190 000):1 000x63-36]:45=
[(192 000-190 000):1 000x63-36]:45=
(2 000:1 000x63-36):45=
(2x63-36):45=
(126-36):45=
90:45=
2

NaomyRoxxxana: Îți mulțumesc mult de tot ))
primăvară2017: Cu mare drag!☺
primăvară2017: Mulțumesc pentru coroană!
NaomyRoxxxana: Cu drag și alta data
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