
0.46+(7.49+9.79)÷24简便运算?
1个回答
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0.46+(7.49+9.79)÷24
=0.46+(7+9+0.5+0.8-0.02)÷24
=0.46+17.28÷24
=0.46+12÷24+5.28÷24
=0.46+0.5+0.22
=0.4+0.5+0.2+0.06+0.02
=1.1+0.08
=1.18
=0.46+(7+9+0.5+0.8-0.02)÷24
=0.46+17.28÷24
=0.46+12÷24+5.28÷24
=0.46+0.5+0.22
=0.4+0.5+0.2+0.06+0.02
=1.1+0.08
=1.18
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