8.88×2.22+4.44×5.56如何简便运算?
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8.88×2.22+4.44×5.56
=4.44×2×2.22+4.44×5.56
=4.44×(4.44+5.56)
=4.44×10
=44.4
=4.44×2×2.22+4.44×5.56
=4.44×(4.44+5.56)
=4.44×10
=44.4
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原式=8.88x2.22+8.88x2.78
=8.88x(2.22+2.78)
=8.88x5
=44.4
=8.88x(2.22+2.78)
=8.88x5
=44.4
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8.88×2.22+4.44×5.56
=8.88×2.22+4.44×2×2.78
=8.88×2.22+8.88×2.78
=8.88×(2.22+2.78)
=8.88×5
=44.4
=8.88×2.22+4.44×2×2.78
=8.88×2.22+8.88×2.78
=8.88×(2.22+2.78)
=8.88×5
=44.4
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8.88×2.22+4.44×5.56
=2.22×8.88+2.22×5.56×2
=2.22×(8.88+11.12)
=2.22×20
=44.4
=2.22×8.88+2.22×5.56×2
=2.22×(8.88+11.12)
=2.22×20
=44.4
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