Resposta :
1) 5.342
+ 4.567
-------------
9.909
+ 68.924
----------------
78.833
2) 3.568
- 2.475
--------------
1.093
3) 3.846
x 5
--------------
19.230
4) 7.648
x 45
---------------
38 240
305 92 +
----------------
344.160
5) 4.539 | 32
- 448 | 141.84
-----------
0059
- 32
-------------
270
- 256
----------
0140
...continua...
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