(1)25×10/3×2/5×3/10 (2)101×101/100-101
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(1)25×10/3×2/5×3/10(2)101×101/100-101(1)25×10/3×2/5×3/10(2)101×101/100-101(1)25×10/3×2/5×3/10(2)101×
(1)25×10/3×2/5×3/10 (2)101×101/100-101
(1)25×10/3×2/5×3/10 (2)101×101/100-101
(1)25×10/3×2/5×3/10 (2)101×101/100-101
(1)25×10/3×2/5×3/10
=25×2/5×(10/3×3/10)
=10×1
=10
(2)101×101/100-101
=101×(101/100 -1)
=101×1/100
=101/100
(1)25×10/3×2/5×3/10 (2)101×101/100-101
10(1/5x-2)=25(8/5x+3/25)-2
找规律填数1,5,2,10,3,15,(),(),5,25,(),().
25*1/3*2/5*3/10简算
25*1/3*2/5*3/10(能简算的要简算)
10+2+3+2+245+5+25+3+5+2+5+1+55+5+5
设A*B=3A-1/2B,求(25*12)*(10*5)
1*3*5+2*6*10+5*15*25/1*5*9+2*10*18+5*25*45简便运算
(1,5,10),(2,10,20),(3,15,30)( )
(1×2×3+3×6×9+5×10×15+7×14×21)/(1×3×5+3×9×15+5×15×25+7×21×35)
10(1/5X--2)=25(8/5X+3/25)-2
脱试计算(不要简便)要过程12×1/3+12×3/4 5/8×4/25÷3/10 5/9÷10×3/4 3/4×10-2/5×10(1/6+5/6)×1512×1/3+12×3/4 5/8×4/25÷3/10 5/9÷10×3/4 3/4×10-2/5×10 (1/6+5
10 5 4 7 9 1 6 2 25 10 17 3 1 6 2 3 10 3 6是这样的:10 5 4 7 9 1 6 225 10 17 3 1 6 2 3 10 3 6
(1-25%)÷(1+1/3) (80%-2/5÷2)×75% 7.2÷(1(1-25%)÷(1+1/3) (80%-2/5÷2)×75% 7.2÷(1-10%-18%)
7分之5*11分之6*7/10 3/4*(9/10-5/6) (1/5+1/9)*45 23/25*1/4+1/4*2/25 101*3/10-3/104/2/3*7/12 8/9/4/27+3/7 8/13/3/7+5/13/3/7 7/9*5/6/14/27 1/2*2/5+9/10/9/20 5/8*1/4/5/8*1/4 (1/2+2/3+3/4)*36
(1×2×3×4×…×10×11)÷(22×24×25×27)=1×2×3×4×…×1(1×2×3×4×…×10×11)÷(22×24×25×27)=1×2×3×4×…×10×11/11×2×6×4×5×5×3×9=7×8×10/5=112什么意思,
(1) 4分之3x等于(x+10)乘5分之3 (2) 13(x-25)等于3(x+25) (解方程)
(4/5+1/4)÷2/3+3/10