只有31道,再给我19道可以吗?
追答4/9×3= 5÷1/3 = 1/2÷1/3 =
21/25÷42= 4/5×3/4 = 8.7×0.2=
4×0.25= 1/7×14= 2/3÷5/6=
1.25×8= 3/5÷5/8= 6/7×3/2=
6×8.8= 4/11÷4= 4/9×3/8=
5/3÷5= 0÷8/3= 4/7-2/3=
2/7×2= 41/12×4= 4÷3/16=
12÷9/4= 75/8 ÷5= 12×16/9=
2/3×3= 8÷9/4 = 5/3÷3/5 =
4/5×5/8= 7/9×9/7= 2.64+3.6=
分数加,减法
追答4.02+5.4+0.98 5.17-1.8-3.2 13.75-(3.75+6.48)
3.68+7.56-2.68 7.85+2.34-0.85+4.66 35.6-1.8-15.6-7.2
3.82+2.9+0.18+9.1 9.6+4.8-3.6 7.14-0.53-2.47
5.27+2.86-0.66+1.63 13.35-4.68+2.65 47.8-7.45+8.8
0.398+0.36+3.64 15.75+3.59-0.59+14.25 42.5-(6.07+1.13)
73.8-1.64-13.8-5.36 66.86-8.66-1.34 0.25×16.2×4
3.72×3.5+6.28×3.5 36.8-3.9-6.1 2 5.48-(9.4-0.52)
4.8×7.8+78×0.52 3.6×102 6.4×0.25+3.6÷4
32+4.9-0.9 4.8-4.8×0.5 (1.25-0.125)×8
4.8×100.1 56.5×9.9+56.5 7.09×10.8-0.8×7.09
4.2÷3.5 320÷1.25÷8 18.76×9.9+18.76
3.52÷2.5÷0.4 4.78÷0.2+3.44 3.9-4.1+6.1-5.9
0.49÷1.4 1.25×2.5×32 3.6-0.6×2
3.65×10.1 3.6-3.6×0.8 15.2÷0.25÷4
5.6÷3.5 9.6÷0.8÷0.4 4.2×99+4.2
五年级下册分数简算50道(不要答案)
2\/3-2\/5+2\/4= 5\/7+7\/5+7\/2-5\/2= 6\/8-6\/5+2\/5= 5\/8-6\/4-2\/7+7\/5= 2\/8+5\/9-3\/5= 8\/7-3\/2+3\/4= 9\/5-2\/1+3\/5= 6\/7-5\/2+7\/5= 8\/5-8\/3+6\/5= 9\/2+5\/4+9\/8-5\/4= 6\/7-2\/8+3\/7= \/37+2\/8-9\/1= 2\/1+3\/2-4\/3= 5\/7-2\/7+3\/...
五年级下学期分数的简便计算,
5\/6+(1\/6-3\/4)2\/5-4\/11+(3\/5+4\/11)8\/7-1\/14-13\/14 3\/4-5\/8+5\/6 4\/5-(1\/6+3\/10)2\/3+4\/5-3\/10 3\/7-(9\/14-1\/2)2\/7+3\/8+5\/8 3\/7+5\/6+4\/7 3\/10+3\/4+7\/10 2\/5-1\/6+2\/3 4\/9+3\/4+5\/9 7\/8+2\/7+1\/8 1\/2+5\/6-1\/3 8\/9-5\/9+1...
小学五年级下册数学分数简便计算题有哪些
2\/3+4\/5+1\/3 =2\/3+1\/3+4\/5 =1+4\/5 =1又4\/5 2\/7+1\/6+5\/7+5\/6 =2\/7+5\/7+(1\/6+5\/6)=1+1 =2 1-2\/9-7\/9 =1-(2\/9+7\/9)= 1-1 =0 3\/5-1\/4+2\/5-3\/4 =3\/5+2\/5-(1\/4+3\/4)=1-1 =0 2\/7x10+5\/7x10 =(2\/7+5\/7)x10 =1x10 =1...
五年级分数简单简便计算60道
2, 80*7\/79=(79+1)*7\/79=7+1\/79 3, 78*5\/79=(79-1)*5\/79=5-1\/79 4, 1\/2+1\/6+1\/12+1\/20+1\/30+1\/42 =1\/2+(1\/2-1\/3)+(1\/3-1\/4)+(1\/4-1\/5)+(1\/5-1\/6)+(1\/6-1\/7)=6\/75, 1\/2+1\/6+1\/12+1\/20+1\/30+1\/42 =(1-1\/2)+(1\/...
求50道五年级下册分数简便计算题和20道解方程
(0.5+x)+x=9.8÷2 2(X+X+0.5)=9.8 25000+x=6x 3200=450+5X+X X-0.8X=6 12x-8x=4.8 7.5*2X=15 1.2x=81.6 x+5.6=9.4 x-0.7x=3.6 91÷x =1.3 X+8.3=10.7 15x =3 3x-8=16 7(x-2)=2x+3 3x+9=27 18(x-2)=270 12x=300-4x 7x+5.3=7....
五年级下册数学分数简便计算
+ 1\/9 )3. 5\/6 + ( 1\/2 + 2\/3 )4. 9\/7 - ( 2\/7 - 10\/21 )5. 3\/7 + 49\/9 + 4\/7 6. 8\/9 + 15\/36 + 3\/27 7. 5\/2 - ( 3\/2 + 4\/5 )8. 7\/8 + ( 1\/8 + 1\/9 )9. 9\/7 - ( 2\/7 - 10\/21 )10. 1\/5 + ( 3\/7 + 8\/10 )
150道五年级下加减分数简算题 急急急急急
(\/=分数线,右边的是分母)我不像第一个答的那样 随便财富 我告诫那个人 贪心好比一个套结,把人的心越套越紧,结果把理智闭塞了。—— 法国作家 巴尔扎克 贪得者,分金恨不得玉,封公怨不受侯,权豪自甘乞丐。知足者,藜羹旨好于膏,布袍暖于狐貉,编民不让王公。—— 洪应明,明朝道人 ...
小学五年级下册分数乘法简便计算
分数乘法简便计算 (1\/3+1\/4-1\/6)*24 =1\/3*24+1\/4*24-1\/6*24 =8+6-4 =14-4 =10 125*25*32 =(125*8)*(25*4)=1000*100 =100000
五年级分数简便计算(不加小数)
42.1\/2+3\/4×5\/12×4\/5 43.8\/9×3\/4-3\/8÷3\/4 44.5\/8÷5\/4+3\/23÷9\/11 45.6÷ 3\/8 – 3\/8 ÷6 46.7\/8 + ( 1\/8 + 1\/9 )47.3\/4 × 8\/9 - 1\/3 48.7 × 5\/49 + 3\/14 49.6 ×( 1\/2 + 2\/3 )50.31 × 5\/6 – 5\/6 ...