Toán Lớp 6: Bài 5:Tính
a.80+(-220)
b.-75+(-45)
c.-45-30
d.-3+8-11
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Toán Lớp 6: Bài 5:Tính
a.80+(-220)
b.-75+(-45)
c.-45-30
d.-3+8-11
Comments ( 2 )
b.-75+(-45)=-120
c.-45-30=-75
d.-3+8-11=-6