简便计算.
①111111÷1111×3333=______
②6.25×0.16+2.64×0.0625+5.2×6.25=______
③
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=______.
①111111÷1111×3333,=111111×3333÷1111,=111111×(3333÷1111),=111111×3,=333333;②6.25×0.16+264×0.0625+5.2×6.25,=6.25×0.16+2.64×6.25+5.2×6.25,=6.25×(0.16+2.64+5.2),=6.25×8,=(6+...