计算下面各题,能简算的要简算.44.28÷0.9÷4.1 &...
计算下面各题,能简算的要简算.44.28÷0.9÷4.10.25×0.39×49.07-22.78÷3.44.8×99+4.8....
计算下面各题,能简算的要简算.44.28÷0.9÷4.1 0.25×0.39×49.07-22.78÷3.4 4.8×99+4.8.
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(1)44.28÷0.9÷4.1
=49.2÷4.1
=12
(2)0.25×0.39×4
=0.25×4×0.39
=1×0.39
=0.39
(3)9.07-22.78÷3.4
=9.07-6.7
=2.37
(4)4.8×99+4.8
=4.8×(99+1)
=4.8×100
=480
=49.2÷4.1
=12
(2)0.25×0.39×4
=0.25×4×0.39
=1×0.39
=0.39
(3)9.07-22.78÷3.4
=9.07-6.7
=2.37
(4)4.8×99+4.8
=4.8×(99+1)
=4.8×100
=480
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