in scris, promit ca dau coroana
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Explicație pas cu pas:
a)42+69*3=42+207=249 b)(
b)(312-41)+430=271+430=701
c)820-4*(200-7)=820-4*193=820-772=48
d)81-120:20=81-6=75
e)900+(28*5+760)*7=900+(140+760)=900+900=1800