math 1 1.3 - 1.4

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ชื่อวิชา: คณิตศาสตร์ > พีชคณิต
Age: 12 - 13

Sec 01

ชื่อ...........................................................................รหัส.......................................

Sec 02

แบบฝึกหัด 1.3

แบบฝึกหัด 1.4

\frac{13}{9}+\frac{8}{9}=
\left(\left(-6\right)\times\left(-3\right)\right)+\left(-5\right)=
-\frac{4}{9}+\frac{1}{3}=
\left(24\div\left(-4\right)\right)\times3=
\frac{4}{3}-\frac{1}{4}=
\left(\sqrt{9}\div3\right)\times\left(-4\right)=
\frac{7}{11}-\frac{7}{2}=
\left(18\div\left(-3\right)\right)\times\left(-2\right)=
\frac{3}{6}+\left(-\frac{5}{2}\right)=
\left(6\div\sqrt{4}\right)\times\left(-5\right)=
\left(-\frac{4}{5}\right)+\left(-\frac{3}{2}\right)=
\left(\left(-19\right)\times4\right)+\left(-4\right)=
\left(-3\right)-\frac{1}{3}=
\left(10\div\left(-2\right)\right)+\left(\left(-2\right)\times4\right)=
\frac{1}{4}-\left(-\frac{1}{6}\right)=
\left(\left(-4\right)\times3\right)\div\left(-2\right)=
\left(-\frac{1}{4}\right)-\left(-\frac{8}{3}\right)=
\left(\left(-18\right)+3\right)\div\left(-3\right)=
\left(-\frac{4}{6}\right)+\left(-\frac{7}{2}\right)=
24\div\left(2\times\left(-2\right)\right)=