数学计算：
直接输入数学计算式，点击“下一步”按钮，即可获得计算答案。
它支持数学函数（包括三角函数）。
直接输入数学计算式，点击“下一步”按钮，即可获得计算答案。
它支持数学函数（包括三角函数）。
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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 2×19.3×0.84×2.7+2×3×43.49×1.5+2×2.45×0.84×1.2+300×0.6×3×2.7 的值.
题型：数学计算
解:
2×19.3×0.84×2.7+2×3×43.49×1.5+2×2.45×0.84×1.2+300×0.6×3×2.7
=38.6×0.84×2.7+2×3×43.49×1.5+2×2.45×0.84×1.2+300×0.6×3×2.7
=32.424×2.7+2×3×43.49×1.5+2×2.45×0.84×1.2+300×0.6×3×2.7
=87.5448+2×3×43.49×1.5+2×2.45×0.84×1.2+300×0.6×3×2.7
=87.5448+6×43.49×1.5+2×2.45×0.84×1.2+300×0.6×3×2.7
=87.5448+260.94×1.5+2×2.45×0.84×1.2+300×0.6×3×2.7
=87.5448+391.41+2×2.45×0.84×1.2+300×0.6×3×2.7
=87.5448+391.41+4.9×0.84×1.2+300×0.6×3×2.7
=87.5448+391.41+4.116×1.2+300×0.6×3×2.7
=87.5448+391.41+4.9392+300×0.6×3×2.7
=87.5448+391.41+4.9392+180×3×2.7
=87.5448+391.41+4.9392+540×2.7
=87.5448+391.41+4.9392+1458
=478.9548+4.9392+1458
=483.894+1458
=1941.894
答案:2×19.3×0.84×2.7+2×3×43.49×1.5+2×2.45×0.84×1.2+300×0.6×3×2.7=1941.894
☆算术计算1题
〖1/1算式〗
作业：求算式 2×19.3×0.84×2.7+2×3×43.49×1.5+2×2.45×0.84×1.2+300×0.6×3×2.7 的值.
题型：数学计算
解:
2×19.3×0.84×2.7+2×3×43.49×1.5+2×2.45×0.84×1.2+300×0.6×3×2.7
=38.6×0.84×2.7+2×3×43.49×1.5+2×2.45×0.84×1.2+300×0.6×3×2.7
=32.424×2.7+2×3×43.49×1.5+2×2.45×0.84×1.2+300×0.6×3×2.7
=87.5448+2×3×43.49×1.5+2×2.45×0.84×1.2+300×0.6×3×2.7
=87.5448+6×43.49×1.5+2×2.45×0.84×1.2+300×0.6×3×2.7
=87.5448+260.94×1.5+2×2.45×0.84×1.2+300×0.6×3×2.7
=87.5448+391.41+2×2.45×0.84×1.2+300×0.6×3×2.7
=87.5448+391.41+4.9×0.84×1.2+300×0.6×3×2.7
=87.5448+391.41+4.116×1.2+300×0.6×3×2.7
=87.5448+391.41+4.9392+300×0.6×3×2.7
=87.5448+391.41+4.9392+180×3×2.7
=87.5448+391.41+4.9392+540×2.7
=87.5448+391.41+4.9392+1458
=478.9548+4.9392+1458
=483.894+1458
=1941.894
答案:2×19.3×0.84×2.7+2×3×43.49×1.5+2×2.45×0.84×1.2+300×0.6×3×2.7=1941.894
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