aceste exerciții!!!! va rog foarte frumos!!! urgent! follow inima steluțe coroana
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a) 62,754+15=77,754
b)145,71-53,129=92,581
c)671,53+0,6-31,236
=672,13-31,236
=640,894
d)2349,1-2,647=2346,453
e)60,5-39,35=21,15
f)2,6+84,124-12,6
=86,724-12,6
=74,124
g)2,475×48=118,8
h) (430,04×34)-321,245145
=14621,36-321,245145
=14300,11486
i) (10,54-0,74)×55
=9,8×55
=539
Răspuns:
1) a) 62,754+15=77,754
b) 145,71-53,129=92,581
c) 671,53 + 0,6-31,236=672,13-31,236=640,894
d) 2349,1-2,647=2346,453
e) 60,5-39,35=21,15
f) 2,6+84,124-12,6=86,724-12,6=74,124
g) 2,475x48=118,8
h) (430,04 x 34) - 321,245145=14621,36-321,245145=14300,114855
i) (10,54-0,74)x55=9,8x55=539
Explicație pas cu pas: