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一桶油30千克,用去 , 还剩几分之几?
10×27= 630÷9= 9.3-2.6= 490÷70= 1- =
365×2= = 71×80= = 7.5-5.6=
990÷3= 20×50= + = 240×10= 200-36=
1200÷2= 320×2= 1- = 642÷2= 67+45=
30×20= 70×90= 10×35= 40×50=
0.2+0.6= 3.6-2.3= + = - =
15×40= 48÷2= 30×26= 969+3=
+ = - = 1- = + =
13×5= 6.7-2.3= 606÷6= 8.3+1.7=
+ = - = 102×5= +
进入组卷