630÷90 = 96 - 88 = 490 + 330 = 327 - 220 =
126 + 44 = 320÷4 = 18×20 = 57 + 89 =
15×30 = 17×30 = 29×100 = 30×50 =
126 + 44 = 320÷4 = 18×20 = 57 + 89 =
15×30 = 17×30 = 29×100 = 30×50 =
答案:
7 8 820 107
@@170 80 360 146
@@450 510 2900 1500
@@170 80 360 146
@@450 510 2900 1500
1. 计算下面各题。
19×96 - 90×9 1200 + 480 - 20×18 (52 - 96÷6)×22
345 + 72÷8×34 490÷[210÷(360÷12)] 72÷[2×(105 - 87)]
19×96 - 90×9 1200 + 480 - 20×18 (52 - 96÷6)×22
345 + 72÷8×34 490÷[210÷(360÷12)] 72÷[2×(105 - 87)]
答案:
1014 1320 792 651 70 2
2. 先算出□里的数,再列出综合算式。
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答案:
540 334 403
874 - 36×15 + 69 = 403
364 26 3822
147×[(254 + 110)÷14] = 3822
874 - 36×15 + 69 = 403
364 26 3822
147×[(254 + 110)÷14] = 3822
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