计算下面各题,能简算的要简算,并写出主要的简算过程.(1)9.06-2.68-0.32(2)(3.06÷0.25+2.76)×0
计算下面各题,能简算的要简算,并写出主要的简算过程.(1)9.06-2.68-0.32(2)(3.06÷0.25+2.76)×0.2(3)18-(35+4÷25)(4)2...
计算下面各题,能简算的要简算,并写出主要的简算过程.(1)9.06-2.68-0.32(2)(3.06÷0.25+2.76)×0.2(3) 18-( 3 5 +4÷ 2 5 ) (4)2.7×1.25+5.3×125%
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(1)9.06-2.68-0.32, =9.06-(2.68+0.32), =9.06-3, =6.06; (2)(3.06÷0.25+2.76)×0.2, =(12.24+2.76)×0.2, =15×0.2, =3; (3)18-(
=18-(0.6+4×
=18-(0.6+10), =18-10.6, =7.4; (4)2.7×1.25+5.3×125%, =2.7×1.25+5.3×1.25, =(2.7+5.3)×1.25, =8×1.25, =10. |
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