Toán Lớp 6: tính giá trị biể thức
35-2.1 ngũ 111+3.7.7ngũ 2
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Toán Lớp 6: tính giá trị biể thức
35-2.1 ngũ 111+3.7.7ngũ 2
Comments ( 2 )
$\text{35-2$\times$$1^{111}$+3$\times$7$\times$$7^{2}$ }$
$\text{=35-2$\times$1+3$\times$7$\times$49}$
$\text{=35-2+21$\times$49}$
$\text{=35-2+1029}$
$\text{=33+1029}$
$\text{=1062}$
35 – 2.1^111 + 3 . 7 . 7^2
= 35 – 2 . 1 + 21 . 49
= 35 – 2 + 1029
= 33 + 1029
= 1062
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