5.43+1.47=
5﹣3.28=
0.46÷4.6=
4×0.25=
1.3÷0.13=
0.6÷1.2=
2.64÷1.1=
1.98÷0.78=
85÷(1﹣0.9)=
9.58×101﹣9.58=
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