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列竖式计算:6.8×0.45 2.3

(1)6.8×0.45=3.06; (2)2.36×0.35=0.826; (3)18×9.27=166.86; (4)2.07×9.53≈20; (5)5.41×7.3≈39.49.

(1)6.8×0.45=3.06;(2)2.36×0.35=0.826;(3)18×9.27=166.86;(4)2.07×9.53≈20;(5)5.41×7.3≈39.49.

6.8 × 0.43 = 2.924 竖式见图:

0.45x8.06怎样列竖式

50.75

1.25 × 0.8 -------- 1.0 00

608×3=1824; 6 0 8× 3 . 1 8 2 4 853×6=5616; 8 3 6× 6. 5 0 1 6 324×6=1944; 3 2 4× 6. 1 9 4 4 72×8=576; 7 2× 8. 5 7 6 126×5=630; 1 2 6× 5 . 6 3 0 560×4=2240. 5 6 0× 4. 2 2 4 0

6.8*4.7+5.3*(10-3.2) =6.8*4.7+5.3*6.8 =6.8*(4.7+5.3) =6.8*10 =68

4×6+7 20÷4+5 6×8+5 75-18+7 = = = = = = = = 9×6+4 10+5×4 6×(2+6) 3×9×3 = = = = = = = = 42÷(1+6) 6×(5+4) = = = = 6+8×4 (40-28)÷6 (42+30)×2 5×3+9 = = = = = = = = 9×8+30 8×7+30 ...

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