总述:本次共解1题。其中
☆算术计算1题
〖1/1算式〗
作业:求算式 1×3×8.03×2.5+1×3×27.95×2.5+2×3×53.38×2.5+920×2.4×1.9×1.25 的值.
题型:数学计算
解:
1×3×8.03×2.5+1×3×27.95×2.5+2×3×53.38×2.5+920×2.4×1.9×1.25
=3×8.03×2.5+1×3×27.95×2.5+2×3×53.38×2.5+920×2.4×1.9×1.25
=24.09×2.5+1×3×27.95×2.5+2×3×53.38×2.5+920×2.4×1.9×1.25
=60.225+1×3×27.95×2.5+2×3×53.38×2.5+920×2.4×1.9×1.25
=60.225+3×27.95×2.5+2×3×53.38×2.5+920×2.4×1.9×1.25
=60.225+83.85×2.5+2×3×53.38×2.5+920×2.4×1.9×1.25
=60.225+209.625+2×3×53.38×2.5+920×2.4×1.9×1.25
=60.225+209.625+6×53.38×2.5+920×2.4×1.9×1.25
=60.225+209.625+320.28×2.5+920×2.4×1.9×1.25
=60.225+209.625+800.7+920×2.4×1.9×1.25
=60.225+209.625+800.7+2208×1.9×1.25
=60.225+209.625+800.7+4195.2×1.25
=60.225+209.625+800.7+5244
=269.85+800.7+5244
=1070.55+5244
=6314.55 答案:1×3×8.03×2.5+1×3×27.95×2.5+2×3×53.38×2.5+920×2.4×1.9×1.25=6314.55你的问题在这里没有得到解决?请到 热门难题 里面看看吧!