求90道“小数、分数混合简便运算” 练习题
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求90道“小数、分数混合简便运算” 练习题
求90道“小数、分数混合简便运算” 练习题
求90道“小数、分数混合简便运算” 练习题
0.42*1/2= 0.36*0.5= 0.51÷1.7= 5.2÷0.13= 99*1.01= 13.5-2.8-7.2=
32.8+19= 1.06*0.4= 2/5+3/5= 1-7/8= 6x+18=48 25*0.32*125=
2.5+1/10= 4.3-8/10= 3.4+3/5= 4.2÷6= 1/2+0.5= 3/4-5/8=
x+5.6=8.04 3x+6x=126 2/5-0.4= 1/4-0.25= 1/3-1/4= 2/3-4/7=
6/21-2/7= 2+4/7= 2/5+3/10= 1/4-1/6= 0.25+3/4= 3/4+0.5=
3/4+3/6= 5/8-0.25= 0.4-1/3= 2/5-1/4= 6/8-1/6= 7/20+2/3=
7/9+4/5= x-3/4=1/12 x-1/6=3/8 9x-4x=6.5 12x-9x=8.7 0.75+0.875=
7/8+3/4= 4/9-1/13= 25/100-1/4= 11/18-1/9= 8/15-1/3= 4/25+7/50=
13/15-5/30= 1 -4/15= 1/10*4/5= 3/4+3*7/6= 18*(3-2/9)= 5/7÷3-2/21=
17*(5/6+1/6)= 5/6*(2/5*1/7)= 3/4*5/2+3/4*3/2=
4+7/10x=102= 2/3x+1/2x=42 x-1/4x=3/8
x-1/4=0.5 x-0.8x=22 x+3/4=6
(1-1/7)x=12 1/5+2/9÷5/9= 4/15*5/6*5/12=
12*(1/4+1/6-1/3)= (1+1/15)*10= 36*5/8+36*3/8=
8/25*5/4= 3/8*6/7= 3/4*8/9=
5/24*6/5= 35/36-(7/12+2/9)= 1-5/8+3/5=
3/8+0.15-2/5= 3/4+0.2+3/8= 1-0.76+1/4=
3/8+0.15-2/5= 7/8-11/24+3/4= 1/8*7=
39.8+29.7= 7.51+105= 1-3/8+1/4=
5/6+1/5-1/4= 2/3-2/5+1/3= 13/18-2/5-4/9=