
用递等式计算. ①1.08×0.8÷0.27 ②
用递等式计算.①1.08×0.8÷0.27②9.07-22.78÷3.4③20.88÷0.8-12.9+1.1④0.75+0.25×4.4....
用递等式计算. ①1.08×0.8÷0.27 ②9.07-22.78÷3.4 ③20.88÷0.8-12.9+1.1 ④0.75+0.25×4.4.
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①1.08×0.8÷0.27,
=0.864÷0.27,
=3.2;
②9.07-22.78÷3.4,
=9.07-6.7,
=2.37;
③20.88÷0.8-12.9+1.1,
=26.1-12.9+1.1,
=13.2+1.1,
=14.2;
④0.75+0.25×4.4,
=0.75+0.25×4×1.1,
=0.75+1×1.1,
=0.75+1.1,
=1.85.
=0.864÷0.27,
=3.2;
②9.07-22.78÷3.4,
=9.07-6.7,
=2.37;
③20.88÷0.8-12.9+1.1,
=26.1-12.9+1.1,
=13.2+1.1,
=14.2;
④0.75+0.25×4.4,
=0.75+0.25×4×1.1,
=0.75+1×1.1,
=0.75+1.1,
=1.85.
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