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78-24= ×9= 1.2+0.3= ( + )×6=
3²= 5.4÷0.6= 1-0.7= ×4× =
37+68= 16×50= 840÷70= 78-7.8=
8.4÷0.1= 32×25%= 0.25×4= 4.2+3.8=
4- =
①5.12+ +3.88+
②
③
④
⑤
⑥
0.75+ = 1- =
①102×(45-205÷5)
②12×( )
③0.25×39×4
④(1- ×70)÷
⑤[1-( )]×
进入组卷