6.47-(4/9+5.47)-5/9 简便方法计算
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6.47-(4/9+5.47)-5/9简便方法计算6.47-(4/9+5.47)-5/9简便方法计算6.47-(4/9+5.47)-5/9简便方法计算=6.47-4/9-5.47-5/9=(6.47-
6.47-(4/9+5.47)-5/9 简便方法计算
6.47-(4/9+5.47)-5/9 简便方法计算
6.47-(4/9+5.47)-5/9 简便方法计算
=6.47-4/9-5.47-5/9
=(6.47-5.47)-(4/9+5/9)
=1-1
=0
6.47-(4/9+5.47)-5/9 简便方法计算
5/9*0.75+3/4*4/9
-5+9-4-3
5+6+8+9+9+5+2+9+7+4
1.25×8/9+5/4*1/9
动脑筋,9/5×193+9/4×195
7.5-5分之9+4分之9
4/9+5/9等于多少
7+9分之5-9分之4
(5/9)*75+(3/4)*(4/9) 简算(5/9)*75+(3/4)*(4/9)简算
算一算,并找出规律1/9 2/9 3/9 4/9 5/9 6/9 7/9 8/9
简便计算 2.4-4.63+7.6-5.47 6/17÷5+1/5×11/17 20×(4/5简便计算 2.4-4.63+7.6-5.47 6/17÷5+1/5×11/17 20×(4/5+7/10-3/4)
用简便方法5/9*9/10+4/9*9/10+1/9
5/9×3/4+5/9×1/4 简便计算
4/5×1/9+4/5÷9 简便计算
9/5(x-4)=4+5/9x
3 5 6 4 9
9+6+4+5+2