Question

Calculati
$(3 {}^{2} \times 3 { }^{ - 3} ) { {}^{ - 1} }$
$(7 {}^{ - 1} ) {}^{4} \times (7 {}^{ - 2} ) {}^{ - 2}$
$\frac{4 {}^{3} \times 4 {}^{ - 5} }{4 {}^{ - 4} }$
$32 \times 2 {}^{ - 6}$
$\frac{5 {}^{ - 3} \times 5 {}^{5} }{5 {}^{2} \times 3 }$
$49 \times (7 {}^{ - 2} ) {}^{2}$
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Answer 1

Răspuns:

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