matematyka z plusem 6
zad 16 str 70
zolte ćwiczenia
a) 15-35=15+... = ...
-27-9=27+...=...
b) 3.1/2 -10=3.1/2+...=...
-6,25-9=6,25+...=.....
na jutro!
z góry dziękuje ;3
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a]15-35=15+[-35]= -20
-27-9=-27+[-9]= -36
b]3 1/2-10= 3 1/2+[-10]=-6 1/2
-6,25-9= -6,25+[-9]= -15,5