10 Mindful Minutes: Giving Our Children the Social and Emotional Skills to Lead Smarter, Hea

10 Mindful Minutes: Giving Our Children the Social and Emotional Skills to Lead Smarter, Hea

Matematika sederhanakanlah bentuk dari 9√7 × √28 - √7 ?​

sederhanakanlah bentuk dari 9√7 × √28 - √7 ?​

[tex]9 \sqrt{7} \times \sqrt{28} - \sqrt{7} [/tex]

[tex]= 9 \sqrt{7} \times \sqrt{4 \times 7} - \sqrt{7} [/tex]

[tex]= 9 \sqrt{7} \times 2 \sqrt{7} - \sqrt{7} [/tex]

[tex]= 18 \sqrt{49} - \sqrt{7} [/tex]

[tex]= 18 \times 7 - \sqrt{7} [/tex]

[tex]= 126 - \sqrt{7} [/tex]

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