1) а 20 40 80
с 4 5 10
а * с 80 200 800
а : с 5 8 8
------------------------------------------------
m 200 200 320
k 80 90 90
m+ k 280 290 410
m - k 120 110 230
-----------------------------------------------
2) 33 : 13 = 2 (ост.7)
88 : 16 = 5 (ост.8)
65 : 8 = 8 (ост.1)
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3) 36 : 9 = 4
458 + 430 888
70 : 10 = 7
670 - 490 = 180
--------------------
3 * 2 = 6
56 : 7 = 8
20 * 4 = 80
139 - 45 = 94
-----------------------
300 : 50 = 6
59 - 17 = 42
85 + 75 = 160
4 * 20 = 80
-----------------------
120 + 210 = 330
4800 : 40 = 120
33 + 187 = 220
80 * 6 = 480