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Calculati:

a. 1000 - 104 x 9 + 36 x 8 + 413 : 7 x 6 - 456 : 3 =
b. 214 + 6 x 48 - 513 : 9 - 28 x 4 + 175 : 7 : 5 =
c. 1000 - [ 625 : 5 +( 384 : 4 : 2 + 138 x 4 ) ] : 5 =
d. 48 x 10 : 6 + [ 142 x 6 - ( 740 : 2 : 2 + 96 x 4 ) + 637 ] : 10 =
e .400 x 100 - [ ( 78 x 54 - 53 x 4 ) : 100 x( 159 x 6 + 138 : 3 ) ] =
f. 94 x 100 - [ 13 x ( 428 : 4 - 62 ) + ( 2x 647 )+ ( 245 : 5 - 768 : 3 : 4 ) ] =
g. 945 : [ ( 720 : 5 : 6 - 6 ) : 2 - 448 : 8 + 567 : 7 : 9 ] x 23 =
h. 38 x [ 45 x 8 : 5 : 9 x ( 1348 - 1299 ) : 7 - 2184 =


Răspuns :

a)1000-936+288+59×6-152
=64+288+354-152
=554
b)214+288-57-112+25:5
=502-57-112+5
=338
c)1000-[625:5+(96:2+552)]:5
=1000-[125+(48+552)]:5
=1000-(125+600):5
=1000-725:5
=1000-145
=855
d). 480:6+[852-(370:2+384)+637]:10
=80+[852-(185+384)+637] :10
=80+(852-569)+637:10
=80+283+637:10
=1000:10
=100
e)400×100-(4212-212):100×(954+46)
=400×100-(4000:100×1000)
=400×100-(40×1000)
4000-4000
=0
f)9400-[13×(107-62)+1294+(189-256:4)]
=9400-[13×45+1294+(189-64)]
=9400-(585+1294+125)
=9400-2004
=7396
g)945:[(144:6-6):2-56:8+81:9]×23
=945:[(24-6):2-7+9]×23
=945:(18:2-7+9)×23
=945:(9-7+9)×23
=945:11×23
=1975,909
h) 39×(360:5:9×49:7)-2184
=39×(72:9×49:7)-2184
=39×(8×49:7)-2184
=39×(392:7)-2184
=39×56-2184
=2184-2184
=0
sper ca te-am ajutat!!!