19.4×6.1×2.3简便
5.67×0.2-0.6218.1×0.92+3.930.4×0.7×0.250.78+5.436+14.8×5÷4+1÷49.9x5÷6+5÷610.3÷4x8÷9-1...
5.67×0.2-0.62
18.1×0.92+3.93
0.4×0.7×0.25
0.78+5.436+1
4. 8× 5÷4+1÷4
9. 9x5÷6+5÷6
10. 3÷4x8÷9-1÷3
14. 31x5÷6-5÷6
16. 5÷9x18-14x2÷7
20. 3x2÷9+1÷3
35. 95÷(64-45)
36. 178-145÷5×6+42
7.2÷0.8-1.2×5
6.5×(4.8-1.2×4)
28-(3.4+1.25×2.4) 展开
18.1×0.92+3.93
0.4×0.7×0.25
0.78+5.436+1
4. 8× 5÷4+1÷4
9. 9x5÷6+5÷6
10. 3÷4x8÷9-1÷3
14. 31x5÷6-5÷6
16. 5÷9x18-14x2÷7
20. 3x2÷9+1÷3
35. 95÷(64-45)
36. 178-145÷5×6+42
7.2÷0.8-1.2×5
6.5×(4.8-1.2×4)
28-(3.4+1.25×2.4) 展开
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