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lớp 3a3 có số học sinh là
32 + 5 = 37
Cả 2 lớp có số học sinh là
37 + 32 = 69
đáp số 69
nhớ và bạn tụ ghi mở ngoăch nhé
Lớp 3a3 có số học sinh là :
32 + 5 = 37 ( học sinh )
Cả hai lớp có số học sinh là :
32 + 37 = 69 ( học sinh )
Đáp số : 69 học sinh
Câu 1 quả sầu riêng
Câu 2 chắc 1 tuổi
Câu 3 chắc là gà tre
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tuoi chi la 12 * 2 = 24 tuoi
k mk nha
chuc ban hoc gioi
Đây là bài toán dạng "tổng - tỉ"
Tổng số phần bằng nhau là
5 + 1 = 6 (phần)
Tuổi bố là
42 : 6 x 5 = 35 (tuổi)
Tuổi con là
35 : 5 = 7 (tuổi)
Tuổi ông là
35 x 2 = 70 (tuổi)
Đáp số: Ông : 70 tuổi
Bố : 35 tuổi
Con : 7 tuổi
tuoi lon nhe
?