Additions et soustractions des nombres relatifs
00:30:00
question 1

(+3) + (+8) = ?

A 11
B - 11
C 24

question 2

(-75,321) - (+8) = ?

A - 68,321
B 83,321
C - 83,321

question 3

(-57,1234) - (-32) + (+3,88) = ?

A - 29,0034
B - 21,2434
C 17,3634

question 4

(+80,2) - (-37,212) = ?

A 42,988
B -117,412
C 117,412

question 5

(-5) - (-5) = ?

A 0
B - 10
C 10

question 6

(+12,238) - (+33,75) + (-6,98) = ?

A - 14,532
B - 28,492
C - 39,008

question 7

(-50) - (-10) = ?

A - 40
B 60
C - 60

question 8

(+194,5) - (+327,5) = ?

A 522
B 133
C - 133

question 9

(-15,9) + (+37,27) - (-8) = ?

A 61,17
B 29,37
C 45,17

question 10

(+21,72) + (-40,57) = ?

A 62,29
B 18,87
C - 18,87

question 11

(+17) + (-9) = ?

A 8
B 26
C - 8

question 12

(-15,843) + (+36,57) = ?

A - 20,727
B 20,727
C 52,413

question 13

(-4,77) + (+9,33) = ?

A 14,10
B - 4,56
C 4,56

question 14

(-11,11) - (-36,914) = ?

A - 25,804
B - 48,024
C 25,804

question 15

(-19,6) + (+3) - (-2,793) = ?

A - 13,807
B - 19,807
C 13,807

question 16

(-12) + (-12) = ?

A 0
B - 24
C 24

question 17

(-51,17) - (+8,357) - (-22,24) = ?

A 37,287
B 20,573
C - 37,287

question 18

(+11) + (-8) = ?

A 3
B 19
C - 3

question 19

(+30) - (+13) = ?

A 17
B 43
C - 17

question 20

(+40,01) - (-24,15) + (-2,332) = ?

A 66,492
B 61,828
C 13,528