3.28x3.7+6.4 x32.8-3.28
3个回答
展开全部
3.28x3.7+6.4 x32.8-3.28
=3.28x(3.7+64-1)
=218.776
=3.28x(3.7+64-1)
=218.776
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展开全部
3.28x3.7+6.4 x32.8-3.28
=3.28x3.7+64 x3.28-3.28
=3.28x(3.7+64-1)
=3.28x66.7
题目有误
3.28x3.7+6.4 x3.28-0.328
=3.28x3.7+6.4 x3.28-0.1×3.28
=3.28x(3.7+6.4-0.1)
=3.28x10
=32.8
=3.28x3.7+64 x3.28-3.28
=3.28x(3.7+64-1)
=3.28x66.7
题目有误
3.28x3.7+6.4 x3.28-0.328
=3.28x3.7+6.4 x3.28-0.1×3.28
=3.28x(3.7+6.4-0.1)
=3.28x10
=32.8
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