简便计算题1、4.9×4+5.1÷0.
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简便计算题1、4.9×4+5.1÷0.
简便计算题1、4.9×4+5.1÷0.
简便计算题1、4.9×4+5.1÷0.
4.9×4+5.1÷0.25
=4.9×4+5.1×4
=(4.9+5.1)×4
=10×4
=40
4.9×4+5.1÷0.25
=4.9×4+5.1×4
=(4.9+5.1)×4
=10×4
=40
4.9×4+5.1÷0.25
=4.9×4+5.1×4
=(4.9+5.1)×4
=10×4
=40
4.9×4+5.1÷0.25=19.6+20.4=40
4.9×4+5.1÷0.25
=4.9×4+5.1×4
=(4.9+5.1)×4
=10×4
=40