6.7X0.8X12.5 =6.7*10=6732X1.25X0.25 =4*8*1.25*0.25=4*0.25*8*1.25=1*10=109.3÷0.125÷8 =9.3÷(0.125*8)=9.3÷1=9.332.9X37+32.9X82-32.9X19 =32.9*(37+82-19)=32.9*100=3290(4.5X7.5...
一、利用性质、定律简算.6.7X0.8X12.5 32X1.25X0.25 9.3÷0.125÷8 32.9X37+32
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相关问题
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1.25x0.59x0.8简便算法.9.8x25 0.32x1.25 0.4x2.5x12.5x0.8
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1.25*32*25 用简便计算 x÷6.4=1.6 8.836÷x=0.047
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怎样简便就怎样算:(1)7.9x0.25x40(2)0.76+99x0.76(3)18.32/8/0.125(4)0.8
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(1/32-1/56)÷1/8简算 4/5x-0.4×3=5/3(解方程) 3/5x÷3/4=32
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X+25%X=2.8 (1-60%)X=0.32 125%X-X=44 1-40%X=0.7.
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计算,能简算的要简算:888+32X0.125X0.25=?
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1/2:1/5=1/4:x0.8:4=x:83/4:x=3:1236/x=54/32/9=8/x1.25:0.25=x:
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解方程:X÷0.8=1.25; 3X-1.2X=9; 5(X-6)=12; 7X-2×9=80.
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能简算的要简算,5.8x8/25+0.32x4.7-8除5 (4/5+5/3-1/15)x45 4.5x0.98