Question

me ajudem
3x7

45x2
98x2
5x7

Answer 1

Resposta:

3x7= 21

45x2= 90

98x2= 196

5x7=35

Answer 2

Resultados:

$\mathbf{\bf{{\blue{\boxed{\boxed{a) \: 21. }}}}}} \\ \mathbf{\bf{{\blue{\boxed{\boxed{b) \: 90.}}}}}} \\ \: \: \mathbf{\bf{{\blue{\boxed{\boxed{c) \: 196.}}}}}} \\ \mathbf{\bf{{\blue{\boxed{\boxed{d) \: 35.}}}}}}$

${\boxed{\boxed{\bf{{\purple{\mathtt{\bf{{\purple{Vamos}}}\textsf{\red{ \: Mul}}\frak{{\green{ti}}}\boldsymbol{\orange{pli}}\mathtt{\blue{ca}}\mathsf{\purple{r}}}}}}}}}$

A-

$\: \: \: \: 3 \\ \times 7 \\ \: \: 21$

• Multiplique os números!

B-

$\: {}^{1} 45 \\ \: \times 2 \\ \: \: 90$

• Multiplique os números!
• Multiplique novamente.
• E some...

C-

$\: \: {}^{1} 98 \\ \: \: \times 2 \\ \: \: 196$

• Multiplique.
• Multiplique...
• E some!

D-

$\: \: \: \: 5 \\ \times 7 \\ \: \: 35$

• Apenas multiplique!

Att: Ryan♡