计算下列各题.(能简算的要简算)3.6-2.84+7.4-7.2(4-0.2)÷1.9+0.1 4 29 ×[1-( 3 4
计算下列各题.(能简算的要简算)3.6-2.84+7.4-7.2(4-0.2)÷1.9+0.1429×[1-(34-38)]817÷23+123×917....
计算下列各题.(能简算的要简算)3.6-2.84+7.4-7.2(4-0.2)÷1.9+0.1 4 29 ×[1-( 3 4 - 3 8 )] 8 17 ÷23+ 1 23 × 9 17 .
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(1)3.6-2.84+7.4-7.2, =(3.6+7.4)-(2.84+7.2), =11-10.04, =0.96; (2)(4-0.2)÷1.9+0.1, =3.8÷1.9+0.1, =2+0.1, =2.1; (3)
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