
用递等式计算.(1)1375+450÷18×25 (2)168.1÷(4.3×2-0.4) (3) 3 25 ÷ 1
用递等式计算.(1)1375+450÷18×25(2)168.1÷(4.3×2-0.4)(3)325÷110+15=(4)[1-(12-14)]×23...
用递等式计算.(1)1375+450÷18×25 (2)168.1÷(4.3×2-0.4) (3) 3 25 ÷ 1 10 + 1 5 = (4)[1-( 1 2 - 1 4 )]× 2 3
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(1)1375+450÷18×25, =1375+25×25, =1375+625, =2000; (2)168.1÷(4.3×2-0.4), =168.1÷(8.6-0.4), =168.1÷8.2, =20.5; (3)
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