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3/4减3/10减1/4加7/10等于多少

3/4-3/10-1/4+7/10 =(3/4-1/4)+(7/10-3/10) =1/2+2/5 =9/10 你好,本题已解答,如果满意 请点右下角“采纳答案”。

七减1/10加3/10等于多少化成最简分数 七减1/10加3/10 =7+3/10-1/10 =7+1/5 =7又1/5

9/8×[3/4-(7/10-1/4)] =9/8×[3/4-7/10+1/4] =9/8×[3/4+1/4-7/10] =9/8×3/10 =27/80

x-(3/4-1/2)=7/10 x-1/4=7/10 x=1/4+7/10 x=19/20

3/1*4+3/4*7+3/7*10+.+3/97*100 =(1-1/4)+(1/4-1/7)+(1/7-1/10)+......+(1/97-1/100) =1-1/4+1/4-1/7+1/7-1/10+......+1/97-1/100 =1-1/100 =99/100

(4/5+1/4)÷7/3+7/10 =(16/20+5/20)÷7/3+7/10 =21/20÷7/3+7/10 =49/20+14/20 =63/20

5/10,3/14,8,19/30,7/18,11/10。

9/10-(1/4+7/20)÷3/4 =9/10-(5/20+7/20)÷3/4 =9/10-12/20x4/3 =9/10-12/15 =27/30-24/30 =1/10

1/12 11/30 2/3 13/8 13/12 3/16 13/18 1/10

x减4分之3x加3分之1等于10分之7 x-3/4x=7/10-1/3 1/4x=11/30 x=22/15

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