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脱式计算.6.7十19.34一3.63/0.6

6.7+19.34−3.63÷0.6 =6.7+19.34-6.05 =6.7-6.05+19.34 =0.65+19.34 =19.99

(1)7.85÷0.25×6.48=31.4×6.48=203.472 (2)6.7+19.34﹣3.63÷0.6=6.7+19.34﹣6.05=26.04﹣6.05=19.99 (3)0.24×[151﹣(53.2﹣2.2)÷0.51]=0.24×[151﹣51÷0.51]=0.24×[151﹣100]=0.24×(50+1)=0.24×50+0.24×1=12+0.24=12.24 (4)7.38÷[4.6...

6.66+3.63÷0.6+19.34 =6.66+19.34+3.63/0.6 =26+6.05 =32.05 4.8+3.6x0.5-0.4简便计算 =4.8-0.4+3.6x0.5 =4.4+1.8 =4.4+2-0.2 =6.2

6.66十3.63÷0.6十19.34 =6.66十6.05十19.34 =6.66十19.34十6.05 =26+6.05 =32.05

用简便计算6.66 3.63÷0.6 19.34 6.66 3.63÷0.6 19.34 =6.66+6.05+19.34 =6.66+19.34+6.05 =32.05

66 3.34 =6.34 =6.66 3.63÷0.05+19.6 19用简便计算6.66+19.63÷0.34 6.6 19.66+6.34+6.05 =32

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