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①2- ÷ -
② ÷[( + )× ]
③29×( + )×13
④ × - ×75%
⑤54+99×99+45
⑥6.48÷[0.9×(3.3-2.7)]
169+231 = 5.5×6 = 4-0.92 = 67+39 = 201-85 =
324 ÷3 = 0.6×1.5 = 1-25% = 2÷6= 42 =
①26×13﹣108
② × + ×
③( ﹣ )×
④2.5×4÷2.5×4
⑤87.58﹣(7.58+3.8)
⑥ ÷[2﹣( + )]
2.5×4= 10﹣3.7= 5.6×10%=
37+25= 0.8÷0.002= 81÷3=
= = = =
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