Question

Thực hiện phép tính : 

a) 35 - (5 - 18) + (-17)

b) 6² : 4 . 3 + 2 . 5² - 201⁰

Answer 1

a , 35 - ( 5 - 18 ) + ( - 17 )

=   35 - 5 + 18 - 17

= 30 + 18 - 17

= 48 - 17

= 31

b , 6² : 4 . 3 + 2 . 5² - 201⁰

= 36 : 4 . 3 + 2 . 25 - 1

= 9 . 3 + 2 . 25 - 1

= 27 + 50 - 1

= 77 - 1

= 76

Answer 2

a) 35 - (5 - 18) + (-17)

= 35 - 5 + 18 - 17

= 30 + 1

= 31

b) 6² : 4 . 3 + 2 . 5² - 201⁰

= 36 : 4 . 3 + 2 . 25 - 1

= 9 . 3 + 50 - 1

= 27 + 50 - 1

= 77 - 1

= 76

Answer 3

a)  = 35-5+18-17

=30+1

=31

b) =36:12+2.25-1-

=3+50-1

=52

Answer 4

a, 35 - ( 5 - 18 ) + ( - 17 )

= 35 - ( - 13 ) + ( - 17 )

= 35 - ( - 30 )

= 5

b, 6² : 4 * 3 + 2 * 5² - 201⁰

= 36 : 4 * 3 + 2 * 25 - 0

= 9 * 3 + 50

= 27 + 50

= 77

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Answer 5

a , 35 - ( 5 - 18 ) + ( -17 ) = 31

b , 6^2 / 4 * 3 + 2 * 5^2 - 201^0 = 76

Answer 6

a , 31

b , 76

Answer 7

A) 35- (5 - 18 )+ (- 17)

35 - ( - 13) + ( - 17) 

35 - (- 30)

= 5

B) 36 : 4 .3 +2 .25

( 36 :4). ( 3+ 2 ). 25

= 9       .      5      . 25

= 9. ( 5.25 )

= 9. 125

= 1125