
2个回答
展开全部
1.2×括号56.8-6.28括号除以0.18巧算
=1.2*(56.8-6.28)÷0.18
=1.2*50.52÷0.18
=1.2*(50+0.52)÷0.18
=(1.2*50+1.2*0.52)÷0.18
=(60+0.624)÷0.18
=336.8
=1.2*(56.8-6.28)÷0.18
=1.2*50.52÷0.18
=1.2*(50+0.52)÷0.18
=(1.2*50+1.2*0.52)÷0.18
=(60+0.624)÷0.18
=336.8
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