FeistyForwarders_0968120672
KẾT NỐI TRI THỨC
BÀI 3
CÁC THÀNH PHẦN CỦA
PHÉP CỘNG, PHÉP TRỪ
FeistyForwarders_0968120672
KHÁM PHÁ
FeistyForwarders_0968120672
Số hạng, tổng
Có tất cả bao
nhiêu con cá?
6 + 3 = 9
Có tất cả 9 con cá
6+3=9
Số hạng Số hạng Tổng
6 + 3 cũng gọi là tổng.
FeistyForwarders_0968120672
HOẠT ĐỘNG
FeistyForwarders_0968120672
1Số?
Số hạng 7 14 20 62
Số hạng 3 5 30 37
Tổng 10 ? ? ?
19 50 99
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