c) - 11,42 + (-2,26) = - 13,68
f) - 2,35 + 4,78 = 2, 43
f) 2 9/11 - 8 9/11 = - 6
j) - 2 2/11 - (- 6 8/11) = - 2 2/11 + 6 8/11 = 4 6/11
-8 1/4 + 3 1/2 = - 8 1/4 + 3 2/4 = -7 5/4 + 3 2/4 = - 4 3/4
5 1/8 - 9 3/4 = 5 1/8 - 9 6/8 = 3 3/8
Proszę bardzo, jest całe działanie.
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c) - 11,42 + (-2,26) = - 13,68
f) - 2,35 + 4,78 = 2, 43
f) 2 9/11 - 8 9/11 = - 6
j) - 2 2/11 - (- 6 8/11) = - 2 2/11 + 6 8/11 = 4 6/11
-8 1/4 + 3 1/2 = - 8 1/4 + 3 2/4 = -7 5/4 + 3 2/4 = - 4 3/4
5 1/8 - 9 3/4 = 5 1/8 - 9 6/8 = 3 3/8
Proszę bardzo, jest całe działanie.