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试题原文 |
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(1)9.2×1.5÷3, =13.8÷3, =4.6; (2)19.03-5.53-0.37, =19.03-(5.53+0.37), =19.03-5.9, =13.13; (3)86÷(8.6×25), =86÷8.6÷25, =10÷25, =0.4; (4)6.3×101-6.3, =6.3×(100-1), =6.3×100, =630; (5)1.8÷3.6×(0.9+1.2), =1.8÷3.6×2.1, =0.5×2.1, =1.05; (6)12÷0.125, =12÷0.125÷8×8, =12÷(0.125×8)×8, =12÷1×8, =12×8, =96; (7)18.21+25.93+1.79, =(18.21+1.79)+25.93, =20+25.93, =45.93; (8)59.6×18+59.6×81+59.6, =59.6×(18+81+1), =59.6×100, =5960; (9)33.02-(148.4-90.85)÷2.5, =33.02-57.55÷2.5, =33.02-23.02, =10; (10)[33.3-(17.4+3.1)]×6.05, =[33.3-20.5]×6.05, =12.8×6.05, =77.44. |
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