3.25x4.8+6.7x5.2+3.45x4.8
=(3.25+3.45)x4.8+6.7x5.2
=6.7x4.8+6.7x5.2
=6.7x(4.8+5.2)
=6.7x10
=67
希望回答对你有帮助
=(3.25+3.45)*4.8+6.7*5.2
=6.7*4.8+6.7*5.2
=6.7*(4.8+5.2)
=6.7*10
=67
3.25x4.8+6.7x5.2+3.45x4.8
=4.8x（3.25+3.45）+6.7x5.2
=4.8x6.7+6.7x5.2
=6.7x（4.8+5.2）
=6.7×10
=67
3.25x4.8+6.7x5.2+3.45x4.8
=(3.25+3.45)*4.8+6.7*5.2
=6.7*4.8+6.7*5.2
=6.7*(4.8+5.2)
=6.7*10
=67
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