①36.3-17.69
②100÷25×4
③24×25
④35×201
⑤39×99+39
⑥47.2+(23.9-12.8)
⑦6.37+4.9+5.1+3.73
⑧720÷45+180÷45
⑨43000÷125÷8
⑩30.7-(2.07+1.3)-6.63
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