klasa 5
podręcznik
zad.8 str. 16
A) 705 * 346 + 45 820 : 580 =
B) 156 * 240 - (17 936 - 9 876) : 65 =
C) (280 * 405 - (10 101 + 9 999) : 300 ) - 34 444
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zbiór zadań
zad 32 s 13
A) 801 - 5 270 : 17 + 247 * 48 = ???
B) (2 719 + 3 986 ) : 45 + 852 = ???
C) 3 405 + ( 37 + 48 ) * 105 - 2 3000 = ???
D) 196 + ( 574 -( 92 -58 ) * 15 ) : 16 =???
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zad.8/16
a) 243930 +79 = 244 009
b) 37440 -8060 : 65 = 37440 -124 = 37 316
c) (113400 - 20100 : 300) -34 444 = (113400 - 67) - 34444 = 113333 - 34444 = 78889
zad.32/13
a) 801 - 310 + 11856 = 12347
b) (6705) :45 + 852 = 149 + 852 = 1001
c) 3405 + 85 * 105 -23000 = 3405 + 8925 -23000 = - 10670
d) 196 + ( 574 - 34) * 15 ) : 16 = 196 + 540 * 15 : 16 = 196 + 8100 : 16 = 196 +506,25 = 702,25