4.78÷0.25+5.22×4怎么简便运算

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4.78÷0.25+5.22×4怎么简便运算
4.78÷0.25+5.22×4怎么简便运算

4.78÷0.25+5.22×4怎么简便运算
4.78÷0.25+5.22×4
=4.78×4+5.22×4
=(4.78+5.22)×4
=10×4
=40

4.78÷0.25+5.22×4
=4.78×4+5.22×4
=(4.78+5.22)×4
=10×4
=40

4.78÷0.25+5.22×4
=4.78×4+5.22×4
=(4.78+5.22)×4
=10×4
=40

4.78÷0.25+5.22×4
=4.78×4+5.22×4
=(4.78+5.22)×4
=10×4
=40