2,1,6/7,4/5,10/13,()A.4/3B.3/4C.7/15D.7/16
2,1,6/7,4/5,10/13,()A.4/3B.3/4C.7/15D.7/16[97%]
2,1,6/7,4/5,10/13,()A.4/3B.3/4C.7/15D.7/16
2,1,6/7,4/5,10/13,()A.4/3B.3/4C.7/15D.7/16[97%]
2,1,6/7,4/5,10/13,()A.4/3B.3/4C.7/15D.7/16
2,1,6/7,4/5,10/13,()A.4/3B.3/4C.7/15D.7/16[97%]
2,1,6/7,4/5,10/13,()A.4/3B.3/4C.7/15D.7/16
2,1,6/7,4/5,10/13,()A.4/3B.3/4C.7/15D.7/16[97%]
2,1,6/7,4/5,10/13,()A.4/3B.3/4C.7/15D.7/16
2,4,3,(),13/4,27/8,53/16A.1B.7/2C.7/3D.4[97%]
2,4,3,(),13/4,27/8,53/16A.1B.7/2C.7/3D.4
2,4,3,(),13/4,27/8,53/16A.1B.7/2C.7/3D.4[97%]
2,4,3,(),13/4,27/8,53/16A.1B.7/2C.7/3D.4
2,4,3,(),13/4,27/8,53/16A.1B.7/2C.7/3D.4[97%]
2,4,3,(),13/4,27/8,53/16A.1B.7/2C.7/3D.4
...1)24+(﹣14)+(﹣16)+8;(2)(﹣+)×(﹣36);(3)﹣22×7﹣(﹣3)×6+...[97%]
计算题:(1)24+(﹣14)+(﹣16)+8;(2)(﹣+)×(﹣36);(3)﹣22×7﹣(﹣3)×6+8;(4)(﹣)×(﹣6)﹣(﹣2)2×(﹣4).
直接写得数.160÷2=21×6=16+2×7=480÷8=900÷3=8×7=80÷4=8×9-17=48+..[97%]
直接写得数.160÷2=21×6=16+2×7=480÷8=900÷3=8×7=80÷4=8×9-17=48+81÷9=0×50×30=7200÷8=75+29=360÷6=240÷4=648÷2=200-21=699÷7≈718÷9≈61×8≈362÷7≈