Toán Lớp 6: Bài 1 (2 điểm) Tính hợp lí :
a) 4613 +3128-1613 +272
b) 2.4.5.8.25.42.125,
12:(390:[00 – (125 + 35.7)]}
d) {[ 133- ( 14 – 12)’ ]: 5}.2017° +5. 3
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Toán Lớp 6: Bài 1 (2 điểm) Tính hợp lí :
a) 4613 +3128-1613 +272
b) 2.4.5.8.25.42.125,
12:(390:[00 – (125 + 35.7)]}
d) {[ 133- ( 14 – 12)’ ]: 5}.2017° +5. 3
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