Toán Lớp 6: Tính nhanh 87.23 + 13.93+70.87
Nhanh nha
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Toán Lớp 6: Tính nhanh 87.23 + 13.93+70.87
Nhanh nha
Comments ( 2 )
= 87 . (23 + 70) + 13 . 93
= 87 . 93 + 13 . 93
= (87 + 13) . 93
= 100 . 93
= 9300