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分数乘法计算练习题

175-75÷25 68+35×13 725-(125+237) (114+166)÷35 432÷(9×8) 189-60+40 三、简便计算。 216+315÷15 25×32÷4 47+236÷3+64 6×(15×9)÷30 402+369÷3 43+78+122+257÷7 25×(26÷4) 29+25÷44 354+(229+46)÷5 (1)9.26-4.38-...

二、分数乘法 一、计算题要仔细。 1、直接写得数。 14 × 25 = 56 ×12= 712 × 314 = 45× 35 = 9×718 = 23 × 910 = 18×16 = 411 × 114 = 42× = 11× = = × = × = = = × = 2、能简算的要简算。 ( 34 +58 )×32 59 × 34 +59 × 14 49× 二、...

(1/3)*(1/4)*(1/5)=1/60 (1/2)*(2/3)*(3/4)=1/4 (1/√2)*(√2/2)*(2/3)=1/3 (√17+√19)/(√2+√3)*(√17-√19)/(√3-√2)*(-2)/(3^3)=4/27 (7!/8!)*(4!/3!)*(5!/6!)=1/12

1/6 * 35 + 5/6 * 17 =3/4 * 13 + 3/4 * 27 =3/4 *(13+27) =3/4 * 40 =30 55 * 55/56 =(56-1) * 55/56 = 56 * 55/56 - 55/56 =55- 55/56 =54又1/56 2又4/5 * 3/7 + 3/5 * 1/7 = 2又4/5 * 3/7+ 1/5 * 3/7 =3/7 * (2又4/5 + 1/5) =3/7 * 3 =...

1\2×8= 1\3×9= 4\9×7= 9\11×8= 3\6×2\9= 5\9×7\2= 1\10×9\4= 23\4×2\6= 76\5×1\38= 87\9×3\19= 15\4×1\3= 56\2×1\8= 2\9×3\18= 1\4×3= 12\13×26= 19\6×3\2= 2\3×7\2= 6\7×14\2= 16\7×21\4= 29\3×6= 1\2×6= 1\6×9= 4\3×7= 9\4×8= 3\12×2\9= 5\9×7...

1/6 * 35 + 5/6 * 17 =3/4 * 13 + 3/4 * 27 =3/4 *(13+27) =3/4 * 40 =30 55 * 55/56 =(56-1) * 55/56 = 56 * 55/56 - 55/56 =55- 55/56 =54又1/56 2又4/5 * 3/7 + 3/5 * 1/7 = 2又4/5 * 3/7+ 1/5 * 3/7 =3/7 * (2又4/5 + 1/5) =3/7 * 3 =...

3/7 × 49/9 - 4/3 12× 5/6 – 2/9 ×3 8× 5/4 + 1/4 6÷ 3/8 – 3/8 ÷6 4/7 × 5/9 + 3/7 × 5/9 5/2 -( 3/2 + 4/5 ) 7/8 + ( 1/8 + 1/9 ) 9 × 5/6 + 5/6 3/4 × 8/9 - 1/3 7 × 5/49 + 3/14 6 ×( 1/2 + 2/3 ) 8 × 4/5 + 8 × 11/5 31 × 5/6 – 5/6 ...

1.3/7 × 49/9 - 4/3 2.8/9 × 15/36 + 1/27 3.12× 5/6 – 2/9 ×3 4.8× 5/4 + 1/4 5.6÷ 3/8 – 3/8 ÷6 6.4/7 × 5/9 + 3/7 × 5/9 7.5/2 -( 3/2 + 4/5 ) 8.7/8 + ( 1/8 + 1/9 ) 9.9 × 5/6 + 5/6 10.3/4 × 8/9 - 1/3 11.7 × 5/49 + 3/14 12.6 ×( 1...

1.240÷4/5=300人2.已经行驶了280×5/7=200千米,离乙城还有280-200=80千米3.第一天看了96X1/8=12页,第二天看了12X2/3=8页,前两天共看了12+8=20页。所以第3天从第21页开始看4.一共=1/5+3/8=23/40 剩=600x(1-23/40)=255箱5. 216*(1+2/9)=2866.太...

、六年级一班有学生44人,参加合唱队的占全班学生的2/11。参加合唱队的有多少人? 2、一只鸭重3千克,一只鸡的重量是鸭的2/3。这只鸡重多少千克? 3、一个排球定价60元,篮球的价格是排球的5/6。篮球的价格是多少元? 4小亮的储蓄箱中有18元,小...

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