计算,能简算的要简算!六年级的,要有过程(1)2-11分之4÷55分之44-6分之1(2)5分之4×7分之4+5分之1÷4分之7(3)4÷9分之4-9分之4÷4
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计算,能简算的要简算!六年级的,要有过程(1)2-11分之4÷55分之44-6分之1(2)5分之4×7分之4+5分之1÷4分之7(3)4÷9分之4-9分之4÷4
计算,能简算的要简算!六年级的,要有过程
(1)2-11分之4÷55分之44-6分之1
(2)5分之4×7分之4+5分之1÷4分之7
(3)4÷9分之4-9分之4÷4
计算,能简算的要简算!六年级的,要有过程(1)2-11分之4÷55分之44-6分之1(2)5分之4×7分之4+5分之1÷4分之7(3)4÷9分之4-9分之4÷4
2-4/11÷44/55-1/6
=2-4/11×55/44-1/6
=2-4/11×5/4-1/6
=2-5/11-1/6
=91/66=1又25/66
4/5×4/7+1/5÷7/4
=4/5×4/7+1/5×4/7
=(4/5+1/5)×4/7
=1×4/7
=4/7
4÷4/9-4/9÷4
=4×9/4-4/9×1/4
=9-1/9
=8又8/9
2-11分之4÷55分之44-6分之1
=2-4/11*55/44-1/6
=2-1/11*55/11-1/6
=2-5/11-1/6
=11/11-5/11+6/6-1/6
=6/11+5/6
=36/66+55/66
=91/66
5分之4×7分之4+5分之1÷4分之7
=4/5*4/7+1/5*4/7
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2-11分之4÷55分之44-6分之1
=2-4/11*55/44-1/6
=2-1/11*55/11-1/6
=2-5/11-1/6
=11/11-5/11+6/6-1/6
=6/11+5/6
=36/66+55/66
=91/66
5分之4×7分之4+5分之1÷4分之7
=4/5*4/7+1/5*4/7
=(4/5+1/5)*4/7
4/7
4÷9分之4-9分之4÷4
=4*9/4-4/9*1/4
=9-1/9
=8又8/9
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