
125+675÷25×18 13.2-(3.2-2.4-0.45) 4.5×0.5+5.5÷2 (能简便的要简便算)
2个回答
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125+675÷25×18
=125+486
=611
13.2-(3.2-2.4-0.45)
=13.2-3.2+2.4+0.45
=10+2.85
=12.85
4.5×0.5+5.5÷2
=4.5/2+5.5/2
=10/2
=5
=125+486
=611
13.2-(3.2-2.4-0.45)
=13.2-3.2+2.4+0.45
=10+2.85
=12.85
4.5×0.5+5.5÷2
=4.5/2+5.5/2
=10/2
=5
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