
脱式计算(能简算的要简算)( 4 5 + 1 4 )÷ 7 3 + 7 10
脱式计算(能简算的要简算)(45+14)÷73+7106×35%+6.5×0.76519×14+1319×14+25%×1191349×21+13×2849....
脱式计算(能简算的要简算)( 4 5 + 1 4 )÷ 7 3 + 7 10 6×35%+6.5×0.76 5 19 × 1 4 + 13 19 × 1 4 +25%× 1 19 13 49 ×21+13× 28 49 .
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(1)(
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(2)6×35%+6.5×0.76 =2.1+4.94, =7.04; (3)
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=1×
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(4)
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=1×13, =13. |
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