(4\/5+3\/10)÷3\/10
=4/5÷3/10十3/10÷3/10 =4/5×10/3十1 =8/3十1 =2又2/3十1 =3又2/3
括号五分之四加上四分之一括号外除以三分之七加上十分之七的简便...
(4\/5+1\/4)÷7\/3+7\/10 =(16\/20+5\/20)÷7\/3+7\/10 =21\/20x3\/7+7\/10 =9\/20+7\/10 =9\/20+14\/20 =23\/20 望采纳,谢谢!
(4\/5+1\/4)÷7\/3+7\/10
(4\/5+1\/4)÷7\/3+7\/10 =3\/7+7\/10 =51\/70
求600道数学计算题一个答案就可以了
3X+7=59 x=52\/3 4Y-69=81 y=75\/4 8X*6=5 x=5\/48 7Z\/9=4 y=63\/7 15X+8-5X=54 x=4.6 5Y*5=27 y=27\/40 8x+2=10 x=1 x*8=88 x=11 y-90=1 y=91 2x-98=2 x=50 6x*6=12 x=1\/3 5-6=5x x=-1\/5 6*x=42 x=7 55-y=33 y=22 11*3x=60 x...
(5分之4+4分之1)\/3分之7+10分之7简便运算
你好 (4\/5+1\/4)\/(7\/3)+7\/10 =(16\/20+5\/20)*3\/7+7\/10 =21\/20*3\/7+7\/10 =9\/20+7\/10 =9\/20+14\/20 =23\/20 无法简便 数学辅导团为您解答,不理解请追问,理解请及时选为满意回答!(*^__^*)谢谢!
(4\/5+1\/4)÷7\/3+7\/10等于多少。请列算式?
(4\/5十1\/4)÷7\/3十7\/10 =(16\/20十5\/20)X3\/7十7\/10 =21\/20X3\/7十7\/10 =9\/20十7\/10 =9\/20+14\/20 =23\/20 计算这一题,首先要注意分数加减法,要通成同分母分数,然后再用分子相加减分母不变,分数乘除法首先要理解约分能约分的要约成最简分数,最后一点,除以7\/3要明白除以...
(4\/5+1\/4)÷7\/3+7\/10等于多少。请列算式
回答:原式=(16\/20+5\/20)*3\/7+7\/10=21\/20*3\/7+7\/10=9\/20+14\/20=23\/20
括号4\/5+1\/4,括号,除以7\/3+7\/10。
(4\/5+1\/4)\/7\/3+7\/10 =(16\/20+5\/20)\/7\/3+7\/10 =21\/20*3\/7+7\/10 =9\/20+7\/10 =9\/20+14\/20 =23\/20
提供一些有理数加减运算的题
4\/7÷[1\/3×(3\/5-3\/10)] (4\/5+1\/4)÷7\/3+7\/10 12.78-0÷( 13.4+156.6 ) 37.812-700÷(9+31×11) (136+64)×(65-345÷23) 3.2×(1.5+2.5)÷1.6 85+14×(14+208÷26) (58+37)÷(64-9×5) (6.8-6.8×0.55)÷8.5 (284+16)×(512-8208÷18) 0.12× 4.8÷0.12×4.8 (3.2×...
五分之四加五分之一除以十分之三等于多少?
∴五分之四加五分之一除以十分之三 = 4\/5 + 1\/5 ÷ 3\/10 = 4\/5 + 1\/5 × 10\/3 = 4\/5 + 2\/3 = (4×3)\/(5×3)+(2×5)\/(3×5)= 12\/15 + 10\/15 = (12+10)\/15 = 22\/15 答:五分之四加五分之一除以十分之三等于22\/15 ...