39 + 459 = 70 + 839 =
554 - 9 = 133 + 6 =
7 + 527 = 643 + 53 =
247 + 46 = 222 + 67 =
812 - 99 = 650 - 358 =
926 - 460 = 604 - 306 =
554 - 9 = 133 + 6 =
7 + 527 = 643 + 53 =
247 + 46 = 222 + 67 =
812 - 99 = 650 - 358 =
926 - 460 = 604 - 306 =
答案:
229 + 431 = 674 - 81 =
1 + 6 + 5 = 1 + 9 + 67 =
7 + 2 + 57 = 20 - 1 + 9 =
1 + 9 + 32 = 9 + 8 + 57 =
80 - 8 - 1 = 5 + 8 + 32 =
63 + 6 - 3 = 81 - 7 - 5 =
1 + 6 + 5 = 1 + 9 + 67 =
7 + 2 + 57 = 20 - 1 + 9 =
1 + 9 + 32 = 9 + 8 + 57 =
80 - 8 - 1 = 5 + 8 + 32 =
63 + 6 - 3 = 81 - 7 - 5 =
答案:
718 + 16 = 599 - 187 =
286 - 94 = 630 - 24 =
700 - 624 = 525 - 7 =
190 + 530 = 546 + 210 =
726 - 111 = 774 - 701 =
838 + 31 = 615 - 25 =
286 - 94 = 630 - 24 =
700 - 624 = 525 - 7 =
190 + 530 = 546 + 210 =
726 - 111 = 774 - 701 =
838 + 31 = 615 - 25 =
答案:
填空。
$\square - 420 \to 78 + (\space\space\space) \to 325 - 193 \to \square + 88 \to \square$
$\square - 420 \to 78 + (\space\space\space) \to 325 - 193 \to \square + 88 \to \square$
答案:
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