48 + 65 =
36 + 79 =
189 + 206 =
720 - 390 =
22 + 79 =
730 - 88 =
53 - 35 =
91 - 25 =
141 - 95 =
840 - 569 =
650 + 76 =
36 + 79 =
189 + 206 =
720 - 390 =
22 + 79 =
730 - 88 =
53 - 35 =
91 - 25 =
141 - 95 =
840 - 569 =
650 + 76 =
答案:
67 + 6 =
200 - 49 =
450 - 80 =
910 - 58 =
400 - 340 =
68 - 19 =
40 - 11 =
340 - 27 =
730 - 500 =
303 - 64 =
260 + 79 =
200 - 49 =
450 - 80 =
910 - 58 =
400 - 340 =
68 - 19 =
40 - 11 =
340 - 27 =
730 - 500 =
303 - 64 =
260 + 79 =
答案:
664 + 96 =
100 - 56 =
52 + 99 =
400 - 134 =
93 - 74 =
590 + 136 =
270 + 35 =
590 + 60 =
380 + 60 =
210 - 38 =
700 - 140 =
100 - 56 =
52 + 99 =
400 - 134 =
93 - 74 =
590 + 136 =
270 + 35 =
590 + 60 =
380 + 60 =
210 - 38 =
700 - 140 =
答案:
下列图形表示几?
$\begin{array}{r}☆\triangle\bigcirc\\+☆\triangle\bigcirc\\\hline994\end{array}$
$☆=(\ \ \ )$
$\triangle=(\ \ \ )$
$\bigcirc=(\ \ \ )$
$\begin{array}{r}\bigcirc7\bigcirc\\+☆☆\bigcirc\\\hline1☆\square8\end{array}$
$☆=(\ \ \ )$
$\square=(\ \ \ )$
$\bigcirc=(\ \ \ )$
$\begin{array}{r}☆\triangle\bigcirc\\+☆\triangle\bigcirc\\\hline994\end{array}$
$☆=(\ \ \ )$
$\triangle=(\ \ \ )$
$\bigcirc=(\ \ \ )$
$\begin{array}{r}\bigcirc7\bigcirc\\+☆☆\bigcirc\\\hline1☆\square8\end{array}$
$☆=(\ \ \ )$
$\square=(\ \ \ )$
$\bigcirc=(\ \ \ )$
答案:
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