tính nhanh: 2.19.6+3.37.4+44.17 32.27+47.73+27.15 22/08/2021 Bởi Aaliyah tính nhanh: 2.19.6+3.37.4+44.17 32.27+47.73+27.15
2.19.6+3.37.4+44.17 = 12.19 + 12.37 + 44.17 = 12. (19 + 37) + 44.17 = 12. 56 + 44.17 = 672 + 748 = 1420 32.27+47.73+27.15 = 27.(32+15) + 47.73 = 27.47 + 47.73 = 47. (27+73) = 47 . 100 = 4700 – Answered by Meett1605 Bình luận
Đáp án: 2 . 19 . 6 + 3 . 37 . 4 + 44 . 17 = 12 . 19 + 12 . 37 + 44 . 17 = 12 . (19 + 37) + 748 = 12 . 56 + 748 = 672 + 748 = 1420 32 . 27 + 47 . 73 + 27 . 15 = (32 + 15) . 27 + 47 . 73 = 47 . 27 + 47 . 73 = 47 . (27 + 73) = 47 . 100 = 4700 Bình luận
2.19.6+3.37.4+44.17
= 12.19 + 12.37 + 44.17
= 12. (19 + 37) + 44.17
= 12. 56 + 44.17
= 672 + 748
= 1420
32.27+47.73+27.15
= 27.(32+15) + 47.73
= 27.47 + 47.73
= 47. (27+73)
= 47 . 100
= 4700
– Answered by Meett1605
Đáp án:
2 . 19 . 6 + 3 . 37 . 4 + 44 . 17
= 12 . 19 + 12 . 37 + 44 . 17
= 12 . (19 + 37) + 748
= 12 . 56 + 748
= 672 + 748
= 1420
32 . 27 + 47 . 73 + 27 . 15
= (32 + 15) . 27 + 47 . 73
= 47 . 27 + 47 . 73
= 47 . (27 + 73)
= 47 . 100
= 4700