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CALCULE
1-
A) A+B
B)A-B
C B-A
2_
A- 5³÷5²=125÷____=____
B-10⁴÷ 10³=____÷___=____
C-120²+310³=
3_
A-98+54-26.32
B-1230-125
C-(-45)+(32)-(321)=