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mikecool224
20.02.2021 •
Mathematics
1.6i+3/4d-3(1/2i-1.1d)-4.2
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Ответ:
4.05d+0.1i−4.2
Step-by-step explanation:
Let's simplify step-by-step.
1.6i+ 3/ 4 d−3( 1 /2 i−1.1d)−4.2
Distribute:
=1.6i+ 3/ 4 d+(−3)( 1/ 2 i)+(−3)(−1.1d)+−4.2
=1.6i+ 3/ 4 d+ −3/ 2 i+3.3d+−4.2
Combine Like Terms:
=1.6i+ 3/ 4 d+ −3/ 2 i+3.3d+−4.2
=( 3/ 4 d+3.3d)+(1.6i+ −3/ 2 i)+(−4.2)
=4.05d+0.1i+−4.2
Hope it helped!
Ответ:
0.23/2=0.115
0.01+0.115=0.125
0.125