10道脱式计算题及答案？
(4121+2389)÷7
= 6510 ÷7
= 930
3.416÷(0.016×35)
= 3.416 ÷0.56
= 6.1
0.8×[(10-6.76)÷1.2]
= 0.8 x(3.24÷1.2)
= 0.8 x 2.7
= 2.16
5.67×0.2-0.62
= 1.134-0.62
= 0.514
0.4×0.7×0.25
= 0.4 x 0.25 x 0.7
= 0.1 x 0.7
= 0.07
0.78+5.436+1
= 6.216 +1
= 7.216
30.8÷[14-(9.85+1.07)]
= 30.8 ÷ (14 - 10.92)
= 30.8÷3.08
= 10
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