40:8-(17x19-17x18+3):4 =1000-22x45-(36-1):7x2
450x2-20x(40-5x4)x2-33x3= 14-(73x8+208x2):(89x11+3x7)
Răspunsuri la întrebare
Răspuns
450x2-20x(40-5x4)x2-33x3=
=900-20×20×2-99=
=900-800-99=1
14-(73x8+208x2):(89x11+3x7)=
=14-(584+416)÷(979+21)=
=14-1000÷1000=14-1=13
40:8-(17x19-17x18+3):4=
=5-(17(19-18)+3)÷4=
=5-20÷4=
=5-5=0
1000-22x45-(36-1):7x2=
=1000-990-35÷7×2=
=1000-990-10=0
Răspuns
Explicație pas cu pas:
40 : 8 - ( 17 x 19 - 17 x 18 + 3 ) : 4 = 1 000 - 22 x 45 - (36 - 1 ) : 7 x 2 (A)
5 - ( 323 - 306 + 3 ) : 4 = 1 000 - 990 - 35 : 7 x 2
5 - ( 17 + 3 ) : 4 = 10 - 5 x 2
5 - 20 : 4 = 10 - 10
5 - 5 = 0 ( Adevarat)
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450x2 -20x(40 -5x4)x2 - 33x3 = 14-(73x8+208x2):(89x11+3x7) ( F )
900 - 20 x ( 40 - 20 ) x 2 - 11 = 14 - ( 584 + 416) : ( 979+21)
900 - 20 x 20 x 2 - 11 = 14 - 1 000 : 1 000
900 - 800 - 11 = 14 - 1
89 = 13 ( FALS)
83 > 13