7. Calculează.
a) 24 x 10:6+(200 - 20): 9+(303:3+87 - 12) 0
b) 24+0:(1 995 x 99 - 1994 x 94)
c) 35+1 000: (1 533 - 533) + 3 < (40+8:2)
d) 3 (8-8:2)+140:5+24 x 3 +0
e) 5+[(5+5 * 5)-(5-5:5)]* 5
f) 36:6+ [36+(36:4+4)*(36:3+1)] - 36
g) 4 x [909:9 – 1000:10+4* (303: 3 - 33:3)]
h)[(4+4)*4 - 4+4x(4+4:4)]: 4 + 4x4+4:41
1) [2 x 16:4+12:4x(24:6+2 x 100:100)]: (200:2: 100)
1) [(0:90+90:2)*(329: 7+159: 3)]: (1000: 100 x 10)
k)6+5 x [30+5 (3+5x6) 3 -25] -3
1) 200 + 240:2– [340:10+2x(10+6+9)]
Repedeee, va roggggg
Răspunsuri la întrebare
Răspuns:
a)24 x 10:6+(200 - 20): 9+(303:3+87 - 12) ×0
=240:6+180:9+(101+75)×0
=40+20+176×0
=60+0
=60
b) 24+0:(1 995 x 99 - 1994 x 94)=
=24+0
=24
c) 35+1 000: (1 533 - 533) + 3 × (40+8:2)
=35+1000:1000+3×(40+4)
=35+1+3×44
=35+1+132
=36+132
=168
d) 3 (8-8:2)+140:5+24 x 3 +0=
=3×(8-4)+28+72+0
=3×4+28+72+0
=12+100
=112
e) 5+[(5+5 * 5)-(5-5:5)]* 5=
=5+[(5+25)-(5-1)]×5
=5+(30-4)×5
=5+26×5
=5+130
=135
f) 36:6+ [36+(36:4+4)*(36:3+1)] - 36=
=6+[36+(36:1)×(12+1)]-36
=6+(36+36×13)-36
=6+(36+468)-36
=6+504-36
=510-36
=474
g) 4 x [909:9 – 1000:10+4* (303: 3 - 33:3)]=
=4×[101-100+4×(101-11)]
=4×(1+4×90)
=4×361
=1444
h)[(4+4)*4 - 4+4x(4+4:4)]: 4 + 4x4+4:4×1=
=(8×4-4+4×5):4+16+1×1
=(32-4+20):4+16
=48:4+16
=12+16
=28
1) [2 x 16:4+12:4x(24:6+2 x 100:100)]: (200:2: 100)=
=[2×4+3×(4+200:100)]:(100:100)
=(8+3×6):1
=26:1
=26
1) [(0:90+90:2)*(329: 7+159: 3)]: (1000: 100 x 10)=
=[(0+45)×(47+53)]:(10×10)
=(45×100):100
=4500:100
=45
k)6+5 x [30+5 (3+5x6) 3 -25] -3=
=6+5×(30+5×33×3-25)-3
=6+5×(30+495-25)-3
=6+5×(525-25)-3
=6+5×500-3
=6+2500-3
=2506-3
=2503
1) 200 + 240:2– [340:10+2x(10+6+9)]=
=200+120-(34+2×25)
=320-(34+50)
=320-54
=266