谁会下面的数学题目,我给你采纳!
3个回答
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(0.7×3.3+3.3×3.3)×0.25
=(0.7+3.3)×3.3×0.25
=4×3.3×0.25
=4×0.25×3.3
=1×3.3
=3.3
〔4.72-0.72×(1.4+3.6)〕÷0.1
=(4.72-0.72×5)÷0.1
=(4.72-3.6)÷0.1
=1.12÷0.1
=11.2
(10.5+4.5÷9)×1.1
=(10.5+0.5)×1.1
=11×1.1
=12.1
=(0.7+3.3)×3.3×0.25
=4×3.3×0.25
=4×0.25×3.3
=1×3.3
=3.3
〔4.72-0.72×(1.4+3.6)〕÷0.1
=(4.72-0.72×5)÷0.1
=(4.72-3.6)÷0.1
=1.12÷0.1
=11.2
(10.5+4.5÷9)×1.1
=(10.5+0.5)×1.1
=11×1.1
=12.1
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(10.5+9÷4.5)×1.1
=(10.5+2)×1.1
=12.5×1.1
=13.75
=(10.5+2)×1.1
=12.5×1.1
=13.75
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