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a) 789 + 876 = 1665
b) 546 - 278 = 268
c) 1239 : 3 = 413
#Học tốt !
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1 / 86*53=4558
33*44=1452
157*24=3768
1122*19=21318
2/
45*13=585
45*26=1170
45*39=1755
3/
25*48=1200
bạn tự đặt tính nha tại trong máy hk có k cho mình nha
a. 11 x11= 121 ; 22 x 22=484 , b.44 x 44 = 1936 ; 55 x 55 = 3025
A.915972+99072= 925944
b.8671x4=34684
c. 4264:2= 2132
A1015044