用简便方法计算：10.37×3.4+1.7×19.26=_______________________。1.25×32×0.25=________________。
3.84×101-3.84=____________________。3.51×49+35.1×5.1+49×51=___________________________。1994×19951995-1995×19941994=_________________________。
=10.37Ã3.4+1.7Ã2x9.63
=10.37Ã3.4+9.63Ã3.4
=(10.37+9.63)Ã3.4
=20Ã3.4
=68
1.25Ã32Ã0.25
=(1.25Ã8)x(4Ã0.25)
=10x1
=10
3.84Ã101-3.84
=3.84Ã101-3.84x1
=3.84Ã(101-1)
=3.84Ã100
=384
3.51Ã49+35.1Ã5.1+49Ã51
=3.51x49+3.51x51+49x51
=3.51x100+49x51
=351+49x51
=351+(50-1)x(50+1)
=351+2500-1)
=350+1+2500-1
=2850
1994Ã19951995-1995Ã19941994
=1994Ãï¼19950000+1995ï¼-1995Ãï¼19940000+1994ï¼
=1994Ã1995Ã10000+1994Ã1995-1995Ã1994Ã10000-1995Ã1994
=0
用简便方法计算:10.37×3.4+1.7×19.26=___。1.25×32×0.25=...
10.37×3.4+1.7×19.26 =10.37×3.4+1.7×2x9.63 =10.37×3.4+9.63×3.4 =(10.37+9.63)×3.4 =20×3.4 =68 1.25×32×0.25 =(1.25×8)x(4×0.25)=10x1 =10 3.84×101-3.84 =3.84×101-3.84x1 =3.84×(101-1)=3.84×100 =384 3.51×49+35.1...
简便计算:10.37×3.4+1.7×19.26
=(10.37+9.63)x3.4 =20x3.4 =68
10.37*3.4+1.7*19.26怎样简便计算?
10.37×3.4+1.7×19.26 =（10.37×2+19.26）×1.7 =（20.74+19.26）×1.7 =40×1.7 =68 你好，本题已解答,如果满意 请点右下角“采纳答案”。
10.37*3.4+1.7*19.26怎样简便计算?
10.37×3.4+1.7×19.26 =（10.37×2+19.26）×1.7 =（20.74+19.26）×1.7 =40×1.7 =68 你好，本题已解答,如果满意 请点右下角“采纳答案”。
简便计算:10.37x3.4+1.7x19.26
10.37x3.4+1.7x19.26简便计算过程如下：10.37×3.4+1.7×19.26 =10.37x3.4+3.4x9.63 =(10.37+9.63)x3.4 =20x3.4 =68 所以10.37x3.4+1.7x19.26简便计算的最后结果是68。
计算10.37
10.37×3.4+1.7×19.26=10.37×3.4+3.4×9.63，=（10.37+9.63）×3.4，=20×3.4，=68．故答案为：6.8．
10.37×3.4+1点7×19.26,怎么简便?
=10.4-0.25x（9-3）=10.4-0.25x6 =10.4-1.5 =8.9 混合计算的性质：在数学仿察中，当一级运算（加减）和二级运算（乘除）同时在一个式子中时，它们的运算顺序是先乘除，后加减，如果有括号就先算括号内后算括号外，袭森同一级备禅茄运算顺序是从左到右。有理数的减法，对于小数减...
10.37×3.4+1.7x192.6简算?
因为10.37×3.4=10.37×2×1.7=20.74×1.7。所以原式等于20.74×1.7+1.7×19.26运用乘法分配逆运算就是1.7×（20.74+19.26）=1.7×40=68
1、3十4、7ⅹ0、9的简便计算
1,10.37X3.4十1.7X19.26 =10.37x1.7x2+19.26x1.7 =(20.74+19.26)x1.7 =40x1.7 =68 2,12.5÷3.6÷9十8.3÷3.6 =12.5÷9÷3.6＋8.3÷3.6 =(12.5÷9＋8.3)÷3.6 =(25\/18+83\/10)×10\/36 =218\/81 ...
10.37×3.4+0.17×192.6的简便方法?
10.37×3.4+0.17×192.6 ＝10.37×2×1.7+1.7×192.6\/10 ＝（20.74+19.26）×1.7 ＝40×1.7 ＝68 简便计算：巧用乘法交换律和乘法结合律进行简便运算。其基本方法也是通过交换和结合达到凑成整十、整百、整千的数，便于我们口算出结果。对乘法分配律的运用有正用乘法分配律和倒用...
