1.84÷0.23+2.76÷0.23
解:原式=（1.84+2.76）÷0.23
=4.6÷0.23
=20
1.84÷0.23+2.76÷0.23
=(1.84+2.76)÷0.23
=4.6÷0.23
=20
请参考
本题解题思路先写成分式，然后通分，最后求出结果。
解：1.84÷0.23+2.76÷0.23
=1.83/0.23+2.76/0.23
=（1.83+2.76）/0.23
=4.59/0.23
=459/23
=19.96
变式：（1.84+2.76）÷0.23=4.6÷0. 23=20
1.84÷0.23+2.76÷0.23
=(1.84+2.76)÷0.23
=4.6÷0.23
=20
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