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Formula
Judge the identity
Answer
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$2 \times 1 = 2$
$ $ TRUE $ $
Judge the identity
$2 \color{#FF6800}{ \times } \color{#FF6800}{ 1 } = 2$
$ $ Multiplying any number by 1 does not change the value $ $
$\color{#FF6800}{ 2 } = 2$
$\color{#FF6800}{ 2 } = \color{#FF6800}{ 2 }$
$ $ Since the values to calculate for all terms are equal, this expression is an identity $ $
$ $ TRUE $ $
Solution search results
search-thumbnail-$1\right)$ $31$ $2\right)$ $\dfrac {VS} {7}$ $1$ 
$ReC$ $=$ $0$ $Reo4=$ 
$ima9$ $=3$ $im^{0}$ 
$\right)$ $2-\sqrt{2} $ $y\right)$ $\sqrt{2} +$ $-$ $1$ 
$kes1$ $=2$ Re
1st-6th grade
Other
search-thumbnail-.Complete the $10||0yylny$ 
$\left(1\right)$ $6$ times $16=6$ times $10+6$ fimes 
$\left(11\right)$ $7$ times $14=70+7$ times 
$\left(111\right)$ $3$ times $12=304$ 
$\left(1y\right)$ $5$ times $15=504$ 
$\left(y\right)$ $8$ times $18=804$ 
. Find the
10th-13th grade
Other
search-thumbnail-6 times $16=6$ times $10+6$ times 
$\vec{p} $ times $14=70+7$ times 
3times $12=30+$ 
$5$ 5 times $15=50+$ 
0 $8$ 8 times $18=80+$
10th-13th grade
Other
search-thumbnail-
(v) 8 times $18=80+$ 
2. Find the $ans$ $0rs:$ $\left(11\right)7$ times $17=$ (iii) 4 times $1B=$ 
0 9 times $15=$ 
(iv) 3 times $19=$ (v) 2 times $11=$ (vi) 5 times $14=$ 
(vii) 8 times $13=$ $111\right)$ $\left(v^{.}$ 6 times $16=$ $\left(1\times \right)$ $5$ times $12=$ 
3. Fill in the $blanks$ 
(a) 5 times 12 %3D (b) times 11 88 

(c) times # 162 (d) 7 times 19 %%33D D $100$ 
(e) times 6. # 84 (f) 5 times 0 0%3D 52 
(9) 9 times $11$ 135 (h) 4 times
10th-13th grade
Other
search-thumbnail-(V) 
2. Find the $ansMer5$ 
$\left(1\right)9$ times $15=$ $\left(11\right)$ $7$ times $17=$ (iii) 4 times 18 = 
(iv) 3 times $19=$ $\left(y\right)2$ times $11=$ (vi) 5 times $44=$ 
(vii) 8 times $13=$ $\left(M1\right)$ 6 times $16=$ $\left(1\times \right)$ $5$ times $12=$ 
3. Fill in the $blanks$ 
(a) 5 times 12 I3I (b) times 11 88 
(c) times 162 (d) 7 times 19 $\bar{8} $ 
(e) times 6. 84 (f) 5 times $100$ 
(g) 9 times %3D 135 (h) 4. times
10th-13th grade
Other
search-thumbnail-$4$ 
$4$ BAimesB 
$\left(11\right)$ $7$ times $17=$ 
$\left(y\right)$ $2$ times $11$ $=$ 
$..$ $\left(V11\right)$ $6$ times $16$ $=$
10th-13th grade
Other
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