0.27×7.2-2.7×0.71= (9.9+0.1-9.9+0.1)÷0.01= 简便运算!0.27×7.2-2.7×0.71=(9.9+0.1-9.9+0.1)÷0.01=

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0.27×7.2-2.7×0.71=(9.9+0.1-9.9+0.1)÷0.01=简便运算!0.27×7.2-2.7×0.71=(9.9+0.1-9.9+0.1)÷0.01=0.27×7.2-2.7×

0.27×7.2-2.7×0.71= (9.9+0.1-9.9+0.1)÷0.01= 简便运算!0.27×7.2-2.7×0.71=(9.9+0.1-9.9+0.1)÷0.01=
0.27×7.2-2.7×0.71= (9.9+0.1-9.9+0.1)÷0.01= 简便运算!
0.27×7.2-2.7×0.71=
(9.9+0.1-9.9+0.1)÷0.01=

0.27×7.2-2.7×0.71= (9.9+0.1-9.9+0.1)÷0.01= 简便运算!0.27×7.2-2.7×0.71=(9.9+0.1-9.9+0.1)÷0.01=