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Ciprianmaiereanu
a fost răspuns

7+90:5x2+100:10 si. 38-18:9+0x11 se dau numele; a=6x7-5x6-72:8 ; b=64:8+3x4-4x4 ; c=42:6-16:8.calculează 4xa-3xb+2xc

Răspuns :

Ana23mariap
7+90:5×2+100:10=7+90:10+10=7+9+10=16+10
=26
38-18:9+0×11=38-2+0=36

a=42-30-9=3
a=3

b=8+12-16=4
b=4

c=7-2=5
c=5

4a-3b+2c=4×3-3×4+2×5=12-12+10=0+10=10

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