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45%- = ÷ = ×75%= +37.5%=
25%×40%= 75%÷15%= × = ÷ =
1÷1%= 100÷7% = 123÷123%= 1÷3× =
① ÷ + ÷
② +0.65+ -0.35
③( + × )÷
④ × + ÷
⑤144×
⑥ ×92+7×0.625+62.5%
-0.25= 80%÷4= 24× ÷24× = ÷3=
0.32= 1010× = 1+2%= ×75%=
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