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数学直通车34+0.25=2×80%=180%-45=300×（1+20%）=10÷10%=7÷79=3÷4+14=27×2.8=107÷521=63×10%=
题目详情
数学直通车
| 2×80%= | 180%-
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| 300×（1+20%）= | 10÷10%= | 7÷
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▼优质解答
答案和解析
+0.25=12×80%=1.6 180%-
=1
+0.25=1
+0.25=1
3 3 34 4 4+0.25=1 2×80%=1.6 2×80%=1.6 180%-
=1 180%-
=1
4 4 45 5 5=1 300×（1+20%）=360 10÷10%=100 7÷
=9 300×（1+20%）=360 300×（1+20%）=360 10÷10%=100 10÷10%=100 7÷
=9 7÷
=9
7 7 79 9 9=9 3÷4+
=1
×2.8=0.8
÷
=6 3÷4+
=1 3÷4+
=1
1 1 14 4 4=1
×2.8=0.8
×2.8=0.8
2 2 27 7 7×2.8=0.8
÷
=6
÷
=6
10 10 107 7 7÷
=6
5 5 521 21 21=6
| 2×80%=1.6 | 180%-
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| 300×（1+20%）=360 | 10÷10%=100 | 7÷
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