总述:本次共解3题。其中
☆算术计算3题
〖1/3算式〗
作业:求算式 1.1×1.01+2.2×2.02+3.3×3.03+4.4×4.04+5.5×5.05+6.6×6.06 的值.
题型:数学计算
解:
1.1×1.01+2.2×2.02+3.3×3.03+4.4×4.04+5.5×5.05+6.6×6.06
=1.111+2.2×2.02+3.3×3.03+4.4×4.04+5.5×5.05+6.6×6.06
=1.111+4.444+3.3×3.03+4.4×4.04+5.5×5.05+6.6×6.06
=1.111+4.444+9.999+4.4×4.04+5.5×5.05+6.6×6.06
=1.111+4.444+9.999+17.776+5.5×5.05+6.6×6.06
=1.111+4.444+9.999+17.776+27.775+6.6×6.06
=1.111+4.444+9.999+17.776+27.775+39.996
=5.555+9.999+17.776+27.775+39.996
=15.554+17.776+27.775+39.996
=33.33+27.775+39.996
=61.105+39.996
=101.101 答案:1.1×1.01+2.2×2.02+3.3×3.03+4.4×4.04+5.5×5.05+6.6×6.06=101.101〖2/3算式〗
作业:求算式 3.6×6.3×2.7÷(7.2×0.9×2.7) 的值.
题型:数学计算
解:
3.6×6.3×2.7÷(7.2×0.9×2.7)
=3.6×6.3×2.7÷17.496
=22.68×2.7÷17.496
=61.236÷17.496
=3.5 答案:3.6×6.3×2.7÷(7.2×0.9×2.7)=3.5〖3/3算式〗
作业:求算式 1888+18888+188888+1888888+18888888+188888888+1888888888 的值.
题型:数学计算
解:
1888+18888+188888+1888888+18888888+188888888+1888888888
=20776+188888+1888888+18888888+188888888+1888888888
=209664+1888888+18888888+188888888+1888888888
=2098552+18888888+188888888+1888888888
=20987440+188888888+1888888888
=209876328+1888888888
=2098765216 答案:1888+18888+188888+1888888+18888888+188888888+1888888888=2098765216你的问题在这里没有得到解决?请到 热门难题 里面看看吧!