Calculati:
a) 5*[8*(27*6-16*9)-122]
b) 17*[12*(15*9-130)-59]
c) 18*[18*(325-19*17)-30]
d) [(16+4*12)*5-4*5]*3-200
e) 17*{5*[4*(13*9+19*7)-888]-555}
f) 37*{19 *[8*(32*9-26*7)-840]-147}
g) 11*{8*[7*(32*8- 250)-36]-46}
h) 9*{50-[310-(142-18*7)*19]*7}
i) 18*{18*[12*(21*13-270)-31]-81}
j) 10*{8*[6*(127*8-78*12)-453]-211}
*= ori
Repede PLZZZZZZ
Răspunsuri la întrebare
///////////////////////////////
a)
5 × [ 8 × ( 27 × 6 - 16 × 9 ) - 122 ] =
5 × [ 8 × ( 162 - 144 ) - 122 ] =
5 × ( 8 × 18 - 122 ) =
5 × ( 144 - 122 ) =
5 × 22 = 110
b)
17 × [ 12 × ( 15 × 9 - 130 ) - 59 ] =
17 × [ 12 × ( 135 - 130 ) - 59 ] =
17 × ( 12 × 5 - 59 ) =
17 × ( 60 - 59 ) =
17 × 1 = 17
c)
18 × [ 18 × ( 325 - 19 × 17 ) - 30 ] =
18 × [ 18 × ( 325 - 323 ) - 30 ] =
18 × ( 18 × 2 - 30 ) =
18 × ( 36 - 30 ) =
18 × 6 = 108
d)
[ ( 16 + 4 × 12 ) × 5 - 4 × 5 ] × 3 - 200 =
[ ( 16 + 48 ) × 5 - 20 ] × 3 - 200 =
( 64 × 5 - 20 ) × 3 - 200 =
( 320 - 20 ) × 3 - 200 =
300 × 3 - 200 =
900 - 200 = 700
e)
17 × { 5 × [ 4 × ( 13 × 9 + 19 × 7 ) - 888 ] - 555 } =
17 × { 5 × [ 4 × ( 117 + 133 ) - 888 ] - 555 } =
17 × [ 5 × ( 4 × 250 - 888 ) - 555 ] =
17 × [ 5 × ( 1000 - 888 ) - 555 ] =
17 × ( 5 × 112 - 555 ) =
17 × ( 560 - 555 ) =
17 × 5 = 85
f)
37 × { 19 × [ 8 × ( 32 × 9 - 26 × 7 ) - 840 ] - 147 } =
37 × { 19 × [ 8 × ( 288 - 182 ) - 840 ] - 147 } =
37 × [ 19 × ( 8 × 106 - 840 ) - 147 ] =
37 × [ 19 × ( 848 - 840 ) - 147 ] =
37 × ( 19 × 8 - 147 ) =
37 × ( 152 - 147 ) =
37 × 5 = 185
g)
11 × { 8 × [ 7 × ( 32 × 8 - 250 ) - 36 ] - 46 } =
11 × { 8 × [ 7 × ( 256 - 250 ) - 36 ] - 46 } =
11 × [ 8 × ( 7 × 6 - 36 ) - 46 ] =
11 × [ 8 × ( 42 - 36 ) - 46 ] =
11 × ( 8 × 6 - 46 ) =
11 × ( 48 - 46 ) =
11 × 2 = 22
h)
9 × { 50 - [ 310 - ( 142 - 18 × 7 ) × 19 ] × 7 } =
9 × { 50 - [ 310 - ( 142 - 126 ) × 19 ] × 7 } =
9 × [ 50 - ( 310 - 16 × 19 ) × 7 ] =
9 × [ 50 - ( 310 - 304 ) × 7 ] =
9 × ( 50 - 6 × 7 ) =
9 × ( 50 - 42 ) =
9 × 8 = 72
i)
18 × { 18 × [ 12 × ( 21 × 13 - 270 ) - 31 ] - 81 } =
18 × { 18 × [ 12 × ( 273 - 270 ) - 31 ] - 81 } =
18 × [ 18 × ( 12 × 3 - 31 ) - 81 ] =
18 × [ 18 × ( 36 - 31 ) - 81 ] =
18 × ( 18 × 5 - 81 ) =
18 × ( 90 - 81 ) =
18 × 9 = 162
j)
10 × { 8 × [ 6 × ( 127 × 8 - 78 × 12 ) - 453 ] - 211 } =
10 × { 8 × [ 6 × ( 1016 - 936 ) - 453 ] - 211 } =
10 × [ 8 × ( 6 × 80 - 453 ) - 211 ] =
10 × [ 8 × ( 480 - 453 ) - 211 ] =
10 × ( 8 × 27 - 211 ) =
10 × ( 216 - 211 ) =
10 × 5 = 50