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$350×20= $
$7×800= $
$9×1500= $
$320÷80= $
$21×300= $
$200×40= $
$900×20= $
$800×80= $
$100×50= $
$120×30= $
$120×40= $
$120×50= $
$130×60= $
$130×90= $
$140×70= $
$140×80= $
$150×70= $
$90= 810÷( )$
$480= 6×( )$
$5= 205÷( )$
$3600= 6×( )$
$7×800= $
$9×1500= $
$320÷80= $
$21×300= $
$200×40= $
$900×20= $
$800×80= $
$100×50= $
$120×30= $
$120×40= $
$120×50= $
$130×60= $
$130×90= $
$140×70= $
$140×80= $
$150×70= $
$90= 810÷( )$
$480= 6×( )$
$5= 205÷( )$
$3600= 6×( )$
答案
解析：这些题目都是基础的数学运算，包括乘法和除法。对于乘法，我们可以直接将两个数相乘得到答案。对于除法，我们需要找到一个数，使得它与给定的数相乘等于结果。
答案：
$350×20= 7000$
$7×800= 5600$
$9×1500= 13500$
$320÷80= 4$
$21×300= 6300$
$200×40= 8000$
$900×20= 18000$
$800×80= 64000$
$100×50= 5000$
$120×30= 3600$
$120×40= 4800$
$120×50= 6000$
$130×60= 7800$
$130×90= 11700$
$140×70= 9800$
$140×80= 11200$
$150×70= 10500$
$90= 810÷(9)$
$480= 6×(80)$
$5= 205÷(41)$
$3600= 6×(600)$
答案：
$350×20= 7000$
$7×800= 5600$
$9×1500= 13500$
$320÷80= 4$
$21×300= 6300$
$200×40= 8000$
$900×20= 18000$
$800×80= 64000$
$100×50= 5000$
$120×30= 3600$
$120×40= 4800$
$120×50= 6000$
$130×60= 7800$
$130×90= 11700$
$140×70= 9800$
$140×80= 11200$
$150×70= 10500$
$90= 810÷(9)$
$480= 6×(80)$
$5= 205÷(41)$
$3600= 6×(600)$
$855÷9=
$810÷90=
$864÷9=
$224÷7=
$301÷7=
$819÷9=
$648÷8=
$549÷9=
$568÷8=
$800×(4-3)=
$100÷50×2=
$6×300+4=
$500+7×3=
$30+360÷60=
$202+7×7=
$(119-8)÷3=
$80×(4-3)=
$150÷50×2=
$6×903+4=
$5+77×3=
$30+636÷6=
95
$$810÷90=
9
$$864÷9=
96
$$224÷7=
32
$$301÷7=
43
$$819÷9=
91
$$648÷8=
81
$$549÷9=
61
$$568÷8=
71
$$800×(4-3)=
800
$$100÷50×2=
4
$$6×300+4=
1804
$$500+7×3=
521
$$30+360÷60=
36
$$202+7×7=
251
$$(119-8)÷3=
37
$$80×(4-3)=
80
$$150÷50×2=
6
$$6×903+4=
5422
$$5+77×3=
236
$$30+636÷6=
136
$答案
解析：这些题目都是基础的数学运算题目，包括除法、乘法、加法和减法。我们将直接进行计算，不需要额外的分析步骤。
答案：
$855 ÷ 9 = 95$
$810 ÷ 90 = 9$
$864 ÷ 9 = 96$
$224 ÷ 7 = 32$
$301 ÷ 7 = 43$
$819 ÷ 9 = 91$
$648 ÷ 8 = 81$
$549 ÷ 9 = 61$
$568 ÷ 8 = 71$
$800 × (4 - 3) = 800$
$100 ÷ 50 × 2 = 4$
$6 × 300 + 4 = 1804$
$500 + 7 × 3 = 521$
$30 + 360 ÷ 60 = 36$
$202 + 7 × 7 = 251$
$(119 - 8) ÷ 3 = 37$
$80 × (4 - 3) = 80$
$150 ÷ 50 × 2 = 6$
$6 × 903 + 4 = 5422$
$5 + 77 × 3 = 236$
$30 + 636 ÷ 6 = 136$
答案：
$855 ÷ 9 = 95$
$810 ÷ 90 = 9$
$864 ÷ 9 = 96$
$224 ÷ 7 = 32$
$301 ÷ 7 = 43$
$819 ÷ 9 = 91$
$648 ÷ 8 = 81$
$549 ÷ 9 = 61$
$568 ÷ 8 = 71$
$800 × (4 - 3) = 800$
$100 ÷ 50 × 2 = 4$
$6 × 300 + 4 = 1804$
$500 + 7 × 3 = 521$
$30 + 360 ÷ 60 = 36$
$202 + 7 × 7 = 251$
$(119 - 8) ÷ 3 = 37$
$80 × (4 - 3) = 80$
$150 ÷ 50 × 2 = 6$
$6 × 903 + 4 = 5422$
$5 + 77 × 3 = 236$
$30 + 636 ÷ 6 = 136$
$280÷56=$
$360÷18=$
$130÷26=$
$270÷54=$
$420÷84=$
$320÷64=$
$340÷68=$
$360÷72=$
$480÷96=$
$540÷27=$
$700÷35=$
$750÷15=$
$480÷24=$
$650÷13=$
$750÷25=$
$420÷21=$
$940÷47=$
$850÷17=$
$170÷85=$
$470÷94=$
$210÷42=$
5
$360÷18=$
20
$130÷26=$
5
$270÷54=$
5
$420÷84=$
5
$320÷64=$
5
$340÷68=$
5
$360÷72=$
5
$480÷96=$
5
$540÷27=$
20
$700÷35=$
20
$750÷15=$
50
$480÷24=$
20
$650÷13=$
50
$750÷25=$
30
$420÷21=$
20
$940÷47=$
20
$850÷17=$
50
$170÷85=$
2
$470÷94=$
5
$210÷42=$
5
答案
解析：这些题目都是除法口算题，需要直接计算出每个除法的结果。
答案：
$280 ÷ 56 = 5$
$360 ÷ 18 = 20$
$130 ÷ 26 = 5$
$270 ÷ 54 = 5$
$420 ÷ 84 = 5$
$320 ÷ 64 = 5$
$340 ÷ 68 = 5$
$360 ÷ 72 = 5$
$480 ÷ 96 = 5$
$540 ÷ 27 = 20$
$700 ÷ 35 = 20$
$750 ÷ 15 = 50$
$480 ÷ 24 = 20$
$650 ÷ 13 = 50$
$750 ÷ 25 = 30$
$420 ÷ 21 = 20$
$940 ÷ 47 = 20$
$850 ÷ 17 = 50$
$170 ÷ 85 = 2$
$470 ÷ 94 = 5$
$210 ÷ 42 = 5$
答案：
$280 ÷ 56 = 5$
$360 ÷ 18 = 20$
$130 ÷ 26 = 5$
$270 ÷ 54 = 5$
$420 ÷ 84 = 5$
$320 ÷ 64 = 5$
$340 ÷ 68 = 5$
$360 ÷ 72 = 5$
$480 ÷ 96 = 5$
$540 ÷ 27 = 20$
$700 ÷ 35 = 20$
$750 ÷ 15 = 50$
$480 ÷ 24 = 20$
$650 ÷ 13 = 50$
$750 ÷ 25 = 30$
$420 ÷ 21 = 20$
$940 ÷ 47 = 20$
$850 ÷ 17 = 50$
$170 ÷ 85 = 2$
$470 ÷ 94 = 5$
$210 ÷ 42 = 5$
