
计算.(能简算的要简算)300-273÷91-70125×32×25365×127-27×3658.27-1.35+1.73-4.65.
计算.(能简算的要简算)300-273÷91-70125×32×25365×127-27×3658.27-1.35+1.73-4.65....
计算.(能简算的要简算)300-273÷91-70125×32×25365×127-27×3658.27-1.35+1.73-4.65.
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(1)300-273÷91-70, =300-3-70, =300-70-3, =230-3, =227; (2)125×32×25, =125×(8×4)×25, =(125×8)×(4×25), =1000×100, =100000; (3)365×127-27×365, =365×(127-27), =365×100, =36500; (4)8.27-1.35+1.73-4.65, =(8.27+1.73)-(1.35+4.65), =10-6, =4. |
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